Catheter Occlusion Management

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Questions and Answers

What serious complications can arise from forceful flushing of a severely occluded CVAD?

  • Increased blood flow
  • Catheter breakage (correct)
  • Catheter-related bloodstream infections (correct)
  • Decreased catheter longevity

Which of the following is a primary cause of non-thrombotic occlusion in CVAD?

  • Insufficient catheter length
  • Allergic reactions to medications
  • Air embolism formation
  • Lipid accumulation in the catheter lumen (correct)

Which method is recommended to ensure no residual infusate remains within the catheter?

  • Flushing only after medication administration
  • Push-Pause technique (correct)
  • Continuous flushing with heparin only
  • Routine flushing protocols without pause

What is the consequence of inadequate maintenance and care of CVADs?

<p>Potential need for catheter removal (A)</p> Signup and view all the answers

What is an appropriate treatment for a mineral/acidic precipitate in a catheter with a low pH?

<p>Administration of hydrochloric acid (HCl) (C)</p> Signup and view all the answers

Which of the following indicates a potential catheter occlusion?

<p>Difficulty or inability to flush (C)</p> Signup and view all the answers

Which flushing protocols are recommended after administering medication if saline is incompatible?

<p>SASH: Saline, Administer medication, Saline, Heparin (B)</p> Signup and view all the answers

What is advised for routine flushing in CVAD maintenance?

<p>Proactive maintenance and early detection (B)</p> Signup and view all the answers

What is a recommended flush agent if saline is incompatible with a medication?

<p>Use of a recommended flush agent (D)</p> Signup and view all the answers

What should be included in the evaluation of a CVAD experiencing occlusion?

<p>Review of infusates received in the past 24 hours (C)</p> Signup and view all the answers

What is a possible result of catheter movement or inadequate device securement?

<p>Sluggish or absent blood return may occur (C)</p> Signup and view all the answers

Which technique should be employed to avoid catheter occlusion during insertion?

<p>Utilize ultrasound guidance for placement (D)</p> Signup and view all the answers

What long-term complication can arise from thrombosis associated with catheter occlusion?

<p>Post thrombotic syndrome (C)</p> Signup and view all the answers

What should NOT be done to prevent catheter occlusion?

<p>Wear restrictive clothing to enhance catheter positioning (C)</p> Signup and view all the answers

Which of the following is a symptom of catheter occlusion?

<p>Erythema at the insertion site (B)</p> Signup and view all the answers

What is one recommended action if a catheter is suspected to be occluded?

<p>Evaluate the catheter for signs of mechanical obstruction (B)</p> Signup and view all the answers

What is the first step in managing a suspected catheter occlusion?

<p>Assess the symptoms and catheter condition (D)</p> Signup and view all the answers

Which statement accurately reflects a method to prevent catheter occlusion?

<p>Ensure proper vessel selection and catheter size (C)</p> Signup and view all the answers

What is the maximum catheter to vein ratio (CVR) to prevent thrombotic occlusion?

<p>45% (A)</p> Signup and view all the answers

What should be monitored as a potential symptom indicating catheter occlusion?

<p>Collaterals on the affected limb (D)</p> Signup and view all the answers

Which of the following is a symptom of thrombotic occlusion?

<p>Difficulty or inability to infuse (A)</p> Signup and view all the answers

Which condition might require catheter removal due to occlusion?

<p>Progressive symptoms occur requiring examination (D)</p> Signup and view all the answers

What is the role of Alteplase in treating thrombotic occlusions?

<p>It is the only FDA cleared thrombolytic agent for dysfunctional CVADs (D)</p> Signup and view all the answers

Which factor should be checked before instilling a thrombolytic agent like Alteplase?

<p>Tip malposition and mechanical factors (D)</p> Signup and view all the answers

What technique should be employed when inspecting the external length of the catheter for kinking?

<p>Aseptic technique (B)</p> Signup and view all the answers

What should be done if resistance is felt while flushing a catheter?

<p>Stop flushing and evaluate for obstruction (A)</p> Signup and view all the answers

Which of the following is not a cause of thrombotic occlusion?

<p>Improper administration of intravenous medications (A)</p> Signup and view all the answers

What can lead to catheter dysfunction that cannot be resolved without removal?

<p>Improper use and inadequate maintenance care (D)</p> Signup and view all the answers

Why should chest radiography be indicated when assessing a catheter?

<p>To confirm the correct positioning of the catheter tip (C)</p> Signup and view all the answers

Which preventive measure helps in maintaining catheter patency?

<p>Routine flushing protocols (A)</p> Signup and view all the answers

What is a potential outcome of improper clamping of or using sharp instruments near a catheter?

<p>Catheter tear, rupture, or pinhole damage (D)</p> Signup and view all the answers

In cases of alkaline precipitate with high pH, which treatment is generally recommended?

<p>Sodium bicarbonate (B)</p> Signup and view all the answers

What is the minimum syringe size recommended for patency checks on catheters?

<p>10 mL (A)</p> Signup and view all the answers

Which factor plays a significant role in causing catheter rupture during its maintenance?

<p>Excessive pressure or tension on the catheter (D)</p> Signup and view all the answers

How should a ruptured or broken catheter be managed?

<p>Utilize a manufacturer new hub kit for repair (C)</p> Signup and view all the answers

What approach should be taken when detecting sluggish flushing or absent blood return in a catheter?

<p>Notify the healthcare provider for assessment (B)</p> Signup and view all the answers

What is NOT a recommended practice to prevent catheter occlusion?

<p>Flushing against resistance (D)</p> Signup and view all the answers

What symptom may indicate damage to a catheter?

<p>Tear, rupture, or pinhole on the external portion (A)</p> Signup and view all the answers

What should NOT be done when encountering resistance while flushing a catheter?

<p>Forcefully push the flush syringe (D)</p> Signup and view all the answers

What is the consequence of lack of early detection and intervention in catheter maintenance?

<p>Increased likelihood of catheter removal (A)</p> Signup and view all the answers

What should be done immediately after a catheter is identified as damaged?

<p>Clamp catheter with padded hemostats or non-toothed hemostat. (A)</p> Signup and view all the answers

Which of the following accurately defines a CLABSI?

<p>A laboratory-confirmed bloodstream infection associated with a catheter present for more than 2 days. (A)</p> Signup and view all the answers

What is the most prevalent catheter complication identified in clinical practice?

<p>Catheter-related bloodstream infection (CRBSI). (B)</p> Signup and view all the answers

Which group of patients is considered to be immunocompromised due to advanced age?

<p>Elderly individuals (A)</p> Signup and view all the answers

Which action is critical for preventing contamination during the catheter insertion process?

<p>Ensuring proper hand hygiene and maximal sterile barrier precautions. (C)</p> Signup and view all the answers

What is the primary consideration when determining whether to replace a catheter hub or the entire catheter?

<p>The risks and benefits of hub replacement versus catheter replacement. (C)</p> Signup and view all the answers

What is the minimum concentration of alcoholic chlorhexidine gluconate recommended for skin preparation during insertion and dressing changes?

<blockquote> <p>0.5% (D)</p> </blockquote> Signup and view all the answers

Which technique is NOT advised for the disinfection of the needleless connector prior to access?

<p>Soaking in saline solution (B)</p> Signup and view all the answers

What symptom might indicate the presence of a catheter-related infection?

<p>Flush or infusate leakage from catheter. (B)</p> Signup and view all the answers

Which action should be performed routinely according to institutional policy for dressing changes?

<p>Perform dressing changes as per guidelines (A)</p> Signup and view all the answers

Which factor is NOT associated with the cause of a catheter-related bloodstream infection (CRBSI)?

<p>Excessive catheter manipulation. (D)</p> Signup and view all the answers

What type of assessment should follow the identification of a damaged catheter?

<p>Assessment for reaction to catheter damage. (A)</p> Signup and view all the answers

What should be avoided to minimize the risk of CLABSI during CVAD insertion?

<p>Insertion in a femoral vein (C)</p> Signup and view all the answers

Which type of dressing is recommended to be avoided for routine use?

<p>Gauze dressings (C)</p> Signup and view all the answers

Which statement accurately represents the clinical definition of catheter-related bloodstream infection (CRBSI)?

<p>CRBSI designates the catheter as the infection source without specifying the nature of the infection. (C)</p> Signup and view all the answers

What initial step should be taken if a situation involving a damaged catheter escalates to an emergent situation?

<p>Prepare to transport the patient to an acute care setting. (B)</p> Signup and view all the answers

What is the purpose of using chlorhexidine/silver sulfadiazine impregnated CVADs?

<p>To reduce CLABSI rates after unsuccessful strategies (C)</p> Signup and view all the answers

Which of the following is a commonly used antiseptic for skin preparation in patients allergic to chlorhexidine?

<p>Iodine tincture (C)</p> Signup and view all the answers

What should be assessed daily to ensure infection prevention in CVAD management?

<p>The need for each catheter (C)</p> Signup and view all the answers

Which of the following is NOT a recommended practice for preventing CRBSI?

<p>Administering contaminated infusate (C)</p> Signup and view all the answers

What is a common symptom indicating the presence of pleural effusion?

<p>Hypoxemia (D)</p> Signup and view all the answers

Which of the following treatments is considered a medical emergency for pericardial effusion tamponade?

<p>Needle aspiration (D)</p> Signup and view all the answers

What symptom is indicative of Beck's Triad seen in pericardial effusion?

<p>Muffled heart sounds (B)</p> Signup and view all the answers

What is one of the primary causes of pleural effusion in pediatric patients?

<p>Mispositioning of a CVAD (B)</p> Signup and view all the answers

Which of the following findings can occur during a gradual evolution of pericardial effusion?

<p>Marked fluctuations in heart rate (C)</p> Signup and view all the answers

What should be the immediate action taken upon diagnosis of pericardial effusion tamponade?

<p>Notify the attending physician immediately (C)</p> Signup and view all the answers

What can be a significant indicator of pericardial effusion in infants, according to clinical observations?

<p>Delayed capillary refill (A)</p> Signup and view all the answers

Which procedure is recommended for fluid removal in the case of pleural effusion?

<p>Needle aspiration or chest tube insertion (C)</p> Signup and view all the answers

What structural characteristics are found in veins that are not present in arteries?

<p>Valves to prevent backflow (A)</p> Signup and view all the answers

Which statement accurately describes the flow of blood in the systemic circulation?

<p>Transports deoxygenated blood from the tissues to the right side of the heart (D)</p> Signup and view all the answers

Which type of blood flow is characterized by high pressure and rapid rates of flow?

<p>Arterial blood flow (C)</p> Signup and view all the answers

What is the primary reason pulmonary arteries contain thicker walls compared to veins?

<p>To support increased force of blood flow (C)</p> Signup and view all the answers

What is a key functional difference between veins and arteries in terms of their blood flow characteristics?

<p>Veins have lower pressure, arteries have higher pressure. (A)</p> Signup and view all the answers

Which layer of a vein is responsible for maintaining its structural integrity?

<p>Middle layer (B)</p> Signup and view all the answers

What is a unique feature of the pulmonary veins compared to other veins?

<p>They carry oxygenated blood. (D)</p> Signup and view all the answers

What type of blood do pulmonary arteries transport and what is their primary function?

<p>Deoxygenated blood for gas exchange in the capillaries (B)</p> Signup and view all the answers

Which characteristic is true for the tunica intima in veins?

<p>Is composed of a single layer of smooth, flat endothelial cells (C)</p> Signup and view all the answers

Which physiological property is associated with arteries but not with veins?

<p>Maintaining high blood pressure (A)</p> Signup and view all the answers

What is a unique feature of the cephalic vein in relation to catheter placement?

<p>It often narrows as it ascends the upper extremity. (C)</p> Signup and view all the answers

Which statement best describes the basilic vein's characteristics and use for PICC placement?

<p>It is classified as a superficial vein with a deep trajectory above the antecubital fossa. (D)</p> Signup and view all the answers

What is a primary reason the median vein is preferred for peripheral intravenous access?

<p>It can be easily palpated and visualized in the antecubital fossa. (D)</p> Signup and view all the answers

How does the anatomy of the brachial vein affect its clinical application?

<p>It is comprised of multiple veins that provide redundancy. (A)</p> Signup and view all the answers

What drawback is associated with placing a PICC line in the cephalic vein compared to the basilic vein?

<p>The cephalic vein has a higher risk of thrombosis formation. (C)</p> Signup and view all the answers

What is a critical factor to consider when assessing the median vein for venipuncture?

<p>The frequent variation in presentation and route. (A)</p> Signup and view all the answers

Which concerning aspect is associated with the cephalic vein when performing a PICC placement?

<p>It often makes sharp turns as it approaches the axillary vein. (D)</p> Signup and view all the answers

In what way does the depth of the basilic vein impact clinical decisions?

<p>Its deeper location contributes to a smooth route into the axillary vein. (C)</p> Signup and view all the answers

Which of the following best reflects the positioning of the median cubital vein?

<p>It can be palpated and visualized at the antecubital fossa. (A)</p> Signup and view all the answers

What is the main anatomical route of the axillary vein?

<p>Forms from the union of the basilic and brachial veins, continuing to the subclavian vein. (D)</p> Signup and view all the answers

Which statement regarding the external jugular vein is correct?

<p>It can be easily accessed as it is a superficial vein, but routine CVAD insertion is not recommended. (B)</p> Signup and view all the answers

What is the recommended consideration for the use of the brachial vein in pediatric patients?

<p>Understanding the child's ability to communicate symptoms of injury is crucial to avoid nerve complications. (A)</p> Signup and view all the answers

What condition makes the axillary vein a preferred site for CVAD insertion?

<p>It provides a safer alternative to the subclavian vein. (B)</p> Signup and view all the answers

Which of the following statements about venous access sites is incorrect?

<p>The axillary vein is classified as a superficial vein. (C)</p> Signup and view all the answers

Which complication is a known risk when using the external jugular vein for IV access?

<p>Thrombosis and extravasation due to its tortuous course. (D)</p> Signup and view all the answers

What anatomical structure does the axillary vein terminate at?

<p>At the lateral border of the first rib, continuing to the subclavian vein. (C)</p> Signup and view all the answers

What is a key clinical consideration when inserting a CVAD through the axillary vein?

<p>Ultrasound guidance is essential to minimize complications. (C)</p> Signup and view all the answers

What is a significant anatomical characteristic of the basilic vein?

<p>It combined with the brachial vein to form the axillary vein. (C)</p> Signup and view all the answers

Which clinical consideration is associated with the internal jugular vein?

<p>It minimizes the risk of stenosis for AVF creation. (C)</p> Signup and view all the answers

What is a primary risk when inserting a catheter into the subclavian vein?

<p>Increased risk of pneumothorax and hemothorax. (C)</p> Signup and view all the answers

How does ultrasound guidance improve CVAD placement?

<p>It increases patient safety and success rate of insertion. (B)</p> Signup and view all the answers

Which anatomical feature of the axillary vein aids its function?

<p>It allows for visible guidance during insertion procedures. (B)</p> Signup and view all the answers

In which situation should the subclavian vein NOT be used for catheter insertion?

<p>In patients with chronic kidney disease Stage 3 or higher. (B)</p> Signup and view all the answers

What potentially adverse event can occur with a subclavian catheter insertion?

<p>Catheter fracture due to direct arterial puncture. (C)</p> Signup and view all the answers

Why is the internal jugular vein preferred for VAD placement?

<p>It has a relatively straight pathway to the brachiocephalic veins. (D)</p> Signup and view all the answers

What is a notable feature of the anatomical route of the subclavian vein?

<p>It continues from the axillary vein. (B)</p> Signup and view all the answers

Which clinical consideration is associated with using the internal jugular vein for CVADs?

<p>It is used to reduce infection risk compared to subclavian access. (B)</p> Signup and view all the answers

Why is the subclavian approach preferred over the internal jugular site for reducing CLABSI risk?

<p>Infraclavicular sites have lower bioburden compared to neck sites. (C)</p> Signup and view all the answers

What anatomical structure contributes to the increased risk of venous thrombosis when catheter tips terminate in the brachiocephalic veins?

<p>The sharp angle at which the left brachiocephalic vein enters the SVC. (C)</p> Signup and view all the answers

What is a significant drawback of utilizing the femoral vein for vascular access?

<p>It is associated with a higher rate of CRBSI than other sites. (D)</p> Signup and view all the answers

Which is true regarding the common femoral vein's (CFV) application in vascular access device (VAD) placement?

<p>It may be utilized in both acute and chronic settings. (D)</p> Signup and view all the answers

What anatomical landmarks define the superior border of the femoral triangle?

<p>The inguinal ligament. (B)</p> Signup and view all the answers

Why may the femoral site be avoided for VAD placement, except in specific circumstances?

<p>It poses risks for longer term catheter placements. (C)</p> Signup and view all the answers

What is the primary concern associated with devices placed via the common femoral vein?

<p>There is insufficient data on their use for long-term access. (B)</p> Signup and view all the answers

Which statement accurately describes the anatomical path of the right brachiocephalic vein?

<p>It passes vertically downward in front of the brachiocephalic artery. (B)</p> Signup and view all the answers

What is a common reason for using the femoral vein as a site for access?

<p>It can be used when there are contraindications for neck or chest access. (C)</p> Signup and view all the answers

What is a key advantage of using femoral access in patients with profound respiratory failure?

<p>It avoids the risk of hemothorax or pneumothorax. (D)</p> Signup and view all the answers

Which anatomical feature distinguishes the superior vena cava (SVC)?

<p>Confluence of the left and right brachiocephalic veins. (C)</p> Signup and view all the answers

What is a disadvantage of accessing the femoral vein for catheter insertion?

<p>The site is potentially contaminated due to perineal proximity. (B)</p> Signup and view all the answers

For optimal placement in patients receiving CVADs, where should catheter tips for IVC placement ideally reside?

<p>Above the diaphragm in the inferior vena cava. (A)</p> Signup and view all the answers

In what scenario might the inferior vena cava (IVC) be used for vascular access?

<p>SVC occlusion. (C)</p> Signup and view all the answers

What significant functional property does the SVC exhibit?

<p>It facilitates rapid hemodilution of infusates. (D)</p> Signup and view all the answers

What must be carefully managed when placing catheters in the azygos vein?

<p>Potential complications from occlusion of dominant collateral veins. (A)</p> Signup and view all the answers

What anatomical feature is observed in the inferior vena cava (IVC)?

<p>It runs posteriorly to the abdominal cavity along the right side of the spinal column. (D)</p> Signup and view all the answers

Which catheter-related complication is least likely to occur when SVC tips are placed properly?

<p>Venous thrombosis. (A)</p> Signup and view all the answers

What is an accurate statement regarding the access of the Azygos vein?

<p>Catheter tips may require repositioning if malposition occurs. (A)</p> Signup and view all the answers

What is a primary clinical consideration when accessing the middle hepatic vein?

<p>Transhepatic access may be necessary for certain vena cava conditions. (D)</p> Signup and view all the answers

Which anatomical feature is associated with the posterior vein?

<p>It joins the posterior temporo-maxillary vein. (B)</p> Signup and view all the answers

What characterizes the lesser saphenous vein's accessibility?

<p>It can be palpated or visualized above the ankle. (C)</p> Signup and view all the answers

What is an alternative access method for the inferior vena cava (IVC) mentioned?

<p>Transhepatic access. (C)</p> Signup and view all the answers

Identify an incorrect statement regarding the lesser saphenous vein.

<p>It can only be assessed through advanced imaging techniques. (D)</p> Signup and view all the answers

What is a key consideration when using transhepatic access?

<p>The catheter tip must terminate in the IVC. (C)</p> Signup and view all the answers

What is a characteristic of the auricular vein?

<p>The vein's anatomical description is less definitive in clinical contexts. (A)</p> Signup and view all the answers

Which statement regarding clinical considerations for veins is false?

<p>The hepatic vein is not accessible in renal occlusion. (A)</p> Signup and view all the answers

What vein terminates in the external jugular?

<p>Posterior temporo-maxillary vein. (D)</p> Signup and view all the answers

What is a significant anatomical feature of the saphenous vein?

<p>It begins at the dorsal aspect of the foot. (A)</p> Signup and view all the answers

What anatomical feature may complicate catheter insertion into the saphenous vein?

<p>Presence of numerous valves (C)</p> Signup and view all the answers

Which vein is associated with a clinical consideration of avoiding insertion during crawling or ambulatory conditions?

<p>Saphenous vein (C), Popliteal vein (D)</p> Signup and view all the answers

What is the maximum time frame for catheter placement in the umbilical vein post-birth?

<p>1 week (B)</p> Signup and view all the answers

Which artery is most commonly used for arterial line placement due to its superficial nature?

<p>Radial artery (D)</p> Signup and view all the answers

What must be performed prior to accessing the radial artery to ensure collateral blood flow?

<p>Allen’s Test (D)</p> Signup and view all the answers

What additional technique may be required for the cannulation of the brachial artery?

<p>Ultrasound guidance (B)</p> Signup and view all the answers

What is a key anatomical consideration to visualize the popliteal vein?

<p>Visibility in the popliteal space by palpation (C)</p> Signup and view all the answers

In critically ill infants, which type of catheter placement is permissible in the umbilical vein?

<p>Both single or dual lumen catheters (A)</p> Signup and view all the answers

What condition must be considered when performing a catheter access in the lower extremities?

<p>Patient's ambulation status (A)</p> Signup and view all the answers

What anatomical pathway does the radial artery follow?

<p>Along the radial side of the forearm to the wrist (B)</p> Signup and view all the answers

What is the main reason the brachial artery is not recommended for pediatric patients?

<p>It has limited collateral blood flow. (B)</p> Signup and view all the answers

Where is the femoral artery best palpated?

<p>Below the inguinal ligament, midway between the anterior superior spine and the pubic symphysis. (A)</p> Signup and view all the answers

In a patient with chronic kidney disease, what is the recommended practice prior to vascular access device insertion?

<p>Consultation with a vascular access specialist and nephrologist. (C)</p> Signup and view all the answers

What is a significant risk when performing vascular access on a patient post-mastectomy with axillary lymph node dissection?

<p>Development of lymphedema in the contralateral arm. (C)</p> Signup and view all the answers

Which comorbidity should be a consideration when selecting a vascular access device?

<p>Diabetes mellitus and lymphedema. (B)</p> Signup and view all the answers

Why is it important to avoid vascular access device insertion in the arm with a potential future AV fistula?

<p>It can result in stenosis which affects hemodialysis access. (D)</p> Signup and view all the answers

What is the rationale for consulting a nephrologist prior to vascular access procedures in patients with stage 3 chronic kidney disease?

<p>For a comprehensive documented plan of care. (C)</p> Signup and view all the answers

In patients with chronic kidney disease, why should the insertion of vascular access devices be avoided in the arm where an AV fistula is being created?

<p>Potential serious complications from vessel damage. (A)</p> Signup and view all the answers

For patients with lymphedema risk, which site is advised for vascular access device insertion?

<p>Contralateral arm only. (C)</p> Signup and view all the answers

What is a critical consideration in evaluating a patient's history prior to vascular access device placement?

<p>The type and site of previous devices used. (C)</p> Signup and view all the answers

What is a significant risk when placing a VAD in a vessel with known stenosis?

<p>Increased risk for thrombosis and infection (A)</p> Signup and view all the answers

What should be avoided to prevent complications in patients with a history of central venous access device occlusion?

<p>Inserting devices in the lower extremities (A)</p> Signup and view all the answers

Why is it recommended to use the smallest gauge catheter necessary for therapeutic goals?

<p>To minimize damage to the vein wall (C)</p> Signup and view all the answers

Which factor is essential to evaluate before placing a CVAD in a patient with known thrombosis?

<p>The location and degree of stenosis (A)</p> Signup and view all the answers

What is a critical consideration when inserting a VAD in pediatric patients?

<p>Avoidance of lower extremity insertion (D)</p> Signup and view all the answers

What can lead to cumulative damage in superficial veins during catheter use?

<p>Repeated or ongoing exposure to caustic infusates (B)</p> Signup and view all the answers

How does endothelial layer damage initiate a response during catheter insertion?

<p>It activates blood factors to deposit fibrin (C)</p> Signup and view all the answers

What does placing a device safely in the SVC or IVC require?

<p>An understanding of the venous anatomy and stenosis (C)</p> Signup and view all the answers

When should implanted long-term CVAD insertion be avoided?

<p>During acute bacteremia or sepsis (C)</p> Signup and view all the answers

What composes the primary source of structural damage to veins during VAD insertion?

<p>Vein wall puncture from device insertion (A)</p> Signup and view all the answers

Which action should be taken regarding vascular access device (VAD) insertion in the presence of significant skin trauma?

<p>Use the least invasive VAD available that achieves the therapeutic goal. (A)</p> Signup and view all the answers

What is the recommended strategy for inserting a central venous access device (CVAD) in patients with congenital heart disease?

<p>Place the SVC or IVC tip for safety and longer dwell time. (A)</p> Signup and view all the answers

When considering vascular access in patients with morbid obesity, which factor is crucial?

<p>Reliable maintenance of a dry dressing at insertion sites. (D)</p> Signup and view all the answers

In patients with permanent pacemakers or AICDs, what is a key consideration for central line placement?

<p>Consult cardiologists for any ipsilateral placements. (B)</p> Signup and view all the answers

What should be the main focus when addressing vascular conditions like Reynaud's syndrome during vascular access?

<p>Choosing the smallest gauge necessary for the therapeutic goal. (C)</p> Signup and view all the answers

What should be avoided when inserting a CVAD in the presence of an automatic implanted cardioverter defibrillator (AICD)?

<p>Inserting on the ipsilateral side without care. (C)</p> Signup and view all the answers

When managing patients with significant vascular issues, what is the primary goal for catheter selection?

<p>Minimizing the risk of complications with the smallest pertinent gauge. (C)</p> Signup and view all the answers

What is a prudent approach when determining the site for VAD insertion in a patient with a recent fracture?

<p>Avoid the side of the fracture altogether. (D)</p> Signup and view all the answers

In the context of congenital heart disease, what can impact the successful placement of a PICC?

<p>Considering the insertion site in relation to existing anatomy and occlusion risks. (B)</p> Signup and view all the answers

Which methodology is most effective for avoiding complications during VAD insertion in obese patients?

<p>Employing ultrasound guidance and experienced clinicians. (A)</p> Signup and view all the answers

What is the primary cause of structural damage leading to stenosis in patients requiring frequent vascular access?

<p>Permanent scarring in major vessels (D)</p> Signup and view all the answers

Which condition is characterized by damage to the endothelial layer of veins?

<p>Vein wall puncture (C)</p> Signup and view all the answers

What critical factor is considered when assessing peripheral veins in patients with chronic kidney disease?

<p>Number of past venipunctures (A)</p> Signup and view all the answers

Which IV catheter location is generally preferred for short-term infusions in patients with CKD stage-3 or greater?

<p>Dorsal metacarpal veins of the dominant hand (C)</p> Signup and view all the answers

What is the consequence of repeatedly using veins in the upper arm for venous access procedures?

<p>Permanent damage for future hemodialysis access (C)</p> Signup and view all the answers

What role does fibrin play in the process following a vein wall injury?

<p>It forms a stable blood clot over the platelet plug (B)</p> Signup and view all the answers

What is a key reason for avoiding the use of certain upper extremity veins for venous access in CKD patients?

<p>They are critical for hemodialysis access in the future (D)</p> Signup and view all the answers

Which of the following factors contributes to the risk of arteriovenous fistula in hemodialysis patients?

<p>pH extremes in infusates (C)</p> Signup and view all the answers

What should be assessed to determine if veins are suitable for future hemodialysis access?

<p>Presence of permanent vascular injuries (B)</p> Signup and view all the answers

What is a common consequence of exposure to caustic infusates in patients undergoing hemodialysis?

<p>Increased risk of stenosis or thrombosis (B)</p> Signup and view all the answers

What major fear is typically associated with infants aged 0-18 months?

<p>Separation anxiety (C)</p> Signup and view all the answers

Which emotional support strategy is recommended for children aged 18 months to 3 years during medical procedures?

<p>Limit provider presence to the minimum needed (C)</p> Signup and view all the answers

During the preschool stage (2-5 years), which fear is most prevalent among children?

<p>Fear of the unknown (D)</p> Signup and view all the answers

What is a recommended emotional support method for infants up to 18 months during medical procedures?

<p>Encouraging the presence of familiar caregivers (C)</p> Signup and view all the answers

For a child aged 3 years undergoing a procedure, which technique is NOT typically recommended?

<p>Avoiding any distractions or comfort items (B)</p> Signup and view all the answers

What type of support is key for toddlers aged 1-3 years during medical procedures?

<p>Allowing parents to be present if beneficial (D)</p> Signup and view all the answers

Which of the following behaviors is common in infants related to emotional support?

<p>Communicating primarily through crying (A)</p> Signup and view all the answers

What is considered a major fear for preschool-aged children during medical procedures?

<p>Fear of bodily injury (D)</p> Signup and view all the answers

What is an appropriate distraction technique for toddlers undergoing medical procedures?

<p>Offering music and lighted spinners (D)</p> Signup and view all the answers

In preschool children, which approach is beneficial to reduce anxiety during a procedure?

<p>Allowing decisions between two options (C)</p> Signup and view all the answers

What is a primary concern for children aged 3 to 5 years when undergoing medical procedures?

<p>Fear of bodily injury and mutilation (D)</p> Signup and view all the answers

Which approach should be prioritized for children aged 6 to 12 years during treatment?

<p>Encourage presence of parents when beneficial (D)</p> Signup and view all the answers

What phase of development is a child aged 13 to 18 years primarily concerned with?

<p>Identity vs. role confusion (D)</p> Signup and view all the answers

What is an effective distraction technique for school-age children during a procedure?

<p>Listening to music or a guided imagery session (C)</p> Signup and view all the answers

Which of the following strategies is crucial in providing care to adolescents?

<p>Involve them in discussions about their care (B)</p> Signup and view all the answers

What is an appropriate method for caregivers to limit fear of bodily injury in young children during procedures?

<p>Use simple instructions with non-threatening vocabulary (C)</p> Signup and view all the answers

What is a recommended positioning technique for comforting a child during medical procedures?

<p>Allow the child to choose their comfort position (A)</p> Signup and view all the answers

What approach helps foster cooperation in children during treatment?

<p>Praise often for cooperation and compliance (B)</p> Signup and view all the answers

How should healthcare professionals handle the environment for children undergoing treatment?

<p>Create a calm and supportive environment away from typical stressors (C)</p> Signup and view all the answers

Which comfort measure is unlikely to be effective for adolescents during procedures?

<p>Using bubbles as a distraction (B)</p> Signup and view all the answers

What is the primary chronic disease affecting arterial circulation in the aging population?

<p>Diabetes mellitus (D)</p> Signup and view all the answers

Which factor is least likely to impact an individual's circulatory system?

<p>Regular exercise (B)</p> Signup and view all the answers

What is the normal range for white blood cells (WBC) in adults?

<p>4.5-10 thousand per microliter (mcL) (D)</p> Signup and view all the answers

Which of the following is a direct indicator of kidney function?

<p>Glomerular Filtration Rate (GFR) (C)</p> Signup and view all the answers

Which condition is NOT typically associated with age-related vascular changes?

<p>Asthma (D)</p> Signup and view all the answers

What is a change in the skin associated with aging?

<p>Dehydration (D)</p> Signup and view all the answers

What might elevated white blood cells indicate in an aging adult?

<p>Active infection (C)</p> Signup and view all the answers

Which of the following mechanisms is NOT used to estimate Glomerular Filtration Rate (GFR)?

<p>Urinary output measurement (D)</p> Signup and view all the answers

What lifestyle factor is NOT typically associated with vascular health decline?

<p>Healthy balanced diet (A)</p> Signup and view all the answers

Which laboratory value is most critical to assess before placing a vascular access device?

<p>White blood cell count (B)</p> Signup and view all the answers

What does a GFR less than 60 mL/min/1.73 m2 for more than 3 months indicate?

<p>Chronic Kidney Disease (A)</p> Signup and view all the answers

What should be correlated with an elevated serum creatinine level of 2 mg/dL or greater?

<p>GFR or eGFR values (A)</p> Signup and view all the answers

What is the normal range for platelet count in adults?

<p>150-450 thousand per mcl (B)</p> Signup and view all the answers

What does a processed International Normalized Ratio (INR) of 2.1-3.0 indicate?

<p>Therapeutic range for anticoagulant therapy (C)</p> Signup and view all the answers

In which scenario is a PICC considered the most appropriate vascular access device?

<p>In hypercoagulable patients (B)</p> Signup and view all the answers

What must be prioritized before venipuncture in a patient with potential CKD?

<p>Comprehensive vascular access plan (A)</p> Signup and view all the answers

When might platelet transfusions be administered prior to vascular access device (VAD) insertion?

<p>Based on the discretion of the provider and patient needs (A)</p> Signup and view all the answers

Why is monitoring INR critical for patients on Vitamin K antagonists?

<p>To adjust anticoagulant doses appropriately (C)</p> Signup and view all the answers

What factor does NOT determine contraindications for PICC placement?

<p>Patient comfort level (C)</p> Signup and view all the answers

What is a crucial step to identify patients who might need dialysis access like a hemodialysis fistula?

<p>Serum creatinine assessments (D)</p> Signup and view all the answers

How does increasing frequency of ultrasound (US) waves affect penetration through soft tissues?

<p>Decreases penetration while increasing resolution (C)</p> Signup and view all the answers

Which material poorly reflects ultrasound waves and appears black on imaging?

<p>Blood (A)</p> Signup and view all the answers

What is the impact of gain settings on ultrasound imaging?

<p>High gain can lead to overly bright images (B)</p> Signup and view all the answers

How does the resolution of ultrasound images relate to frequency?

<p>Higher frequency increases resolution with decreased penetration (D)</p> Signup and view all the answers

What dimension does the transverse plane visualize in ultrasound imaging?

<p>Cross-sectional dimension of an object (C)</p> Signup and view all the answers

In what manner does ultrasound interact with solid materials?

<p>Sound waves are nearly completely reflected back (B)</p> Signup and view all the answers

What happens to ultrasound image quality when the frequency is lowered?

<p>Decreased resolution but greater penetration (B)</p> Signup and view all the answers

What role does the transducer probe play in ultrasound imaging?

<p>Receives reflected waves and creates images (C)</p> Signup and view all the answers

Which factor is essential for good image quality in ultrasound when considering attenuation?

<p>Higher frequency leads to less attenuation (A)</p> Signup and view all the answers

What image characteristic does the longitudinal plane primarily emphasize?

<p>Lengthwise dimensions of objects (C)</p> Signup and view all the answers

In a longitudinal view, how do veins appear during an ultrasound examination?

<p>As long tubes with a dark exterior (D)</p> Signup and view all the answers

What is the role of ultrasound gel in ultrasound procedures?

<p>To transmit ultrasound energy by eliminating air interfaces (C)</p> Signup and view all the answers

Which statement best describes the appearance of arteries during an ultrasound exam when lightly compressed?

<p>They appear as tubes and pulsate with compression (C)</p> Signup and view all the answers

What function do needle guides serve when performing ultrasound-guided procedures?

<p>They align the needle at the correct angle to enter the vessel (D)</p> Signup and view all the answers

How is the depth of the image controlled during an ultrasound scan?

<p>By manually adjusting the depth setting based on user preference (A)</p> Signup and view all the answers

When using ultrasound to identify vessels, what characteristic helps differentiate veins from arteries?

<p>Veins appear as tubes with no pulsation; arteries pulsate (C)</p> Signup and view all the answers

What is the primary purpose of placing a sterile probe cover on the transducer?

<p>To maintain a sterile field during the procedure (A)</p> Signup and view all the answers

What visual feature is characteristic of veins when viewed in transverse orientation?

<p>They appear as round objects with a blackish center (C)</p> Signup and view all the answers

What defines Stage 2 of Chronic Kidney Disease (CKD)?

<p>Kidney damage with mildly decreased GFR (B)</p> Signup and view all the answers

What is the normal range for Prothrombin Time (PT) in seconds?

<p>11-13.5 seconds (B)</p> Signup and view all the answers

What indication does real-time imaging provide during an ultrasound procedure?

<p>Rapidly changing images for dynamic assessment (B)</p> Signup and view all the answers

What happens to veins when the transducer probe compresses the surrounding soft tissue?

<p>They collapse easily and do not pulsate (A)</p> Signup and view all the answers

What is the GFR level associated with kidney failure?

<p>Less than 15 (D)</p> Signup and view all the answers

What is the primary purpose of ultrasound guidance during CVAD insertion?

<p>To improve safety and efficiency of catheter placement (C)</p> Signup and view all the answers

Which component is associated with the intrinsic pathway of coagulation?

<p>Activated Partial Thromboplastin Time (aPTT) (D)</p> Signup and view all the answers

What is the significance of the catheter to vessel ratio in ultrasound assessments?

<p>It assesses vessel health and compressibility. (B)</p> Signup and view all the answers

How is attenuation defined in ultrasound physics?

<p>The loss of sound energy as it travels through a medium. (C)</p> Signup and view all the answers

Which frequency range is typically used in medical ultrasound?

<p>2 MHz to 15 MHz (B)</p> Signup and view all the answers

What is the normal range for partial thromboplastin time (PTT) in seconds?

<p>25-35 seconds (C)</p> Signup and view all the answers

What role does electromagnetic tip navigation serve during catheter insertion?

<p>It aids in visualizing the vascular pathway for accurate placement. (A)</p> Signup and view all the answers

Which feature enhances the visualization of a needle during ultrasound guidance?

<p>Implementing a needle with echogenic features. (B)</p> Signup and view all the answers

Why might it be challenging to visualize nerves during vascular access?

<p>Nerves have similar acoustic impedance to surrounding soft tissues. (B)</p> Signup and view all the answers

What advantage does fluoroscopy provide during central venous access device (CVAD) insertion?

<p>It can show real-time vascular pathway variations. (B)</p> Signup and view all the answers

What function does the saline column in the intravascular ECG method serve?

<p>It replaces traditional electrodes for electrical signal detection. (C)</p> Signup and view all the answers

What is a potential limitation of using electromagnetic tip navigation independently?

<p>It may not detect all catheter malpositions accurately. (D)</p> Signup and view all the answers

What does a bright white reflection seen during ultrasound indicate?

<p>The needle shaft reflecting the ultrasound beam. (C)</p> Signup and view all the answers

Which of the following conditions can be identified using fluoroscopy during CVAD insertion?

<p>Presence of stenosis or occlusion. (C)</p> Signup and view all the answers

What should practitioners do if electromagnetic tip navigation is used without ECG or Doppler validation?

<p>Ensure a post-placement chest X-Ray is conducted. (C)</p> Signup and view all the answers

In which position should the needle be directed for optimal visualization during cannulation?

<p>In the middle of the intended vein to be cannulated. (D)</p> Signup and view all the answers

What does the maximal P wave prior to deflection indicate during catheter tip placement?

<p>The catheter tip is in the proximal right atrium. (C)</p> Signup and view all the answers

Why is a Posterior-Anterior (PA) position preferred for chest X-ray when confirming catheter tip location?

<p>It draws on greater radiation energy. (A)</p> Signup and view all the answers

What common factor can interfere with the interpretation of catheter tip location in patients?

<p>Presence of spinal rods. (A)</p> Signup and view all the answers

What is the role of a stylet with a Doppler built into the tip during catheter placement?

<p>To determine the direction of blood flow. (B)</p> Signup and view all the answers

What critical aspect should be ensured when ordering chest X-rays for CVAD tip location?

<p>Optimization of settings for visualization. (B)</p> Signup and view all the answers

What area features prominently in the Cincinnati Triangle with regards to catheter tip placement?

<p>3-5 cm below the carina. (D)</p> Signup and view all the answers

Which situation may challenge the ability to determine catheter tip location accurately?

<p>Presence of a pacemaker. (D)</p> Signup and view all the answers

Which condition is essential for optimizing the visual accuracy during CVAD tip identification via X-ray?

<p>Maintaining a standing position. (B)</p> Signup and view all the answers

What is one of the factors that could lead to discrepancies in catheter tip placement interpretation among providers?

<p>Variability in individual provider experiences. (C)</p> Signup and view all the answers

What type of X-ray position can result in greater distortion of the catheter's appearance?

<p>Anterior-Posterior (AP) position. (A)</p> Signup and view all the answers

What is the primary purpose of a Professional Licensure Examination in a professional field?

<p>To assess minimal competency (D)</p> Signup and view all the answers

Which of the following best describes certification in a professional context?

<p>Recognition by a professional organization of achieved standards (D)</p> Signup and view all the answers

Which phase of interdisciplinary collaboration involves participants negotiating their rights to participate?

<p>Problem Setting (C)</p> Signup and view all the answers

What constitutes professional development in the context of healthcare?

<p>Assessing and enhancing competencies (D)</p> Signup and view all the answers

Which statement correctly describes clinical practice guidelines?

<p>Systematically developed statements based on research (C)</p> Signup and view all the answers

What is a major challenge in the education of vascular access and infusion therapy?

<p>Lack of hands-on skills validation (B)</p> Signup and view all the answers

What characterizes a mentor in a healthcare setting?

<p>An experienced colleague providing guidance (B)</p> Signup and view all the answers

What is one function of standards of practice within a profession?

<p>To describe professional responsibilities (B)</p> Signup and view all the answers

What technology is NOT typically used for vascular access teaching?

<p>Traditional lecture-based instruction (D)</p> Signup and view all the answers

Which option describes the outcome of effective interdisciplinary collaboration?

<p>A synthesis of various perspectives (C)</p> Signup and view all the answers

Which mentoring approach involves one mentor guiding a small group of mentees?

<p>Group mentoring (D)</p> Signup and view all the answers

What is an essential aspect of fostering a successful mentoring relationship?

<p>Fostering relationships both formally and informally (D)</p> Signup and view all the answers

In patient education, which of the following is crucial for verifying a learner's comprehension?

<p>Engaging in teach-back methods (B)</p> Signup and view all the answers

Which of these is NOT a recognized source for educational materials regarding vascular access devices?

<p>Social media influencers (C)</p> Signup and view all the answers

What factor significantly affects the decision-making ability of cognitively impaired individuals according to the outlined considerations?

<p>Understanding of the information involved (B)</p> Signup and view all the answers

Which organization is focused specifically on patient safety related to enteral and parenteral nutrition?

<p>Oley Foundation (C)</p> Signup and view all the answers

What is a primary responsibility of a mentor in the mentoring process?

<p>To facilitate professional growth and development (B)</p> Signup and view all the answers

Which of the following is a recommended practice when educating patients about potential complications during therapy?

<p>Encouraging discussions about potential problems during therapy (C)</p> Signup and view all the answers

Which of the following approaches involves several mentors collaborating with a small group of mentees?

<p>Team mentoring (D)</p> Signup and view all the answers

What is a common resource for patient education materials that can be used for demonstration and practice?

<p>Device manufacturers (B)</p> Signup and view all the answers

What should be included in the formalized document that travels with a patient during care site transitions?

<p>Detailed information regarding the indwelling VAD (C)</p> Signup and view all the answers

Which level of clinical competency demonstrates an intuitive grasp of problems and effortless skill performance?

<p>Expert (B)</p> Signup and view all the answers

Which component should NOT be included in patient and caregiver education regarding VAD details?

<p>Patient's medical history prior to the VAD placement (B)</p> Signup and view all the answers

What factor can significantly influence the selection of the VAD, care setting, and therapy?

<p>Costs of therapy and provisions of insurance coverage (A)</p> Signup and view all the answers

How is clinical competency defined in the context of medicine?

<p>Knowledge, skills, attitudes, and ability to integrate understanding (A)</p> Signup and view all the answers

Which statement about the components of the transition document is accurate?

<p>It must include information about recent therapy and expected outcomes. (A)</p> Signup and view all the answers

Which of the following describes the 'Advanced Beginner' level of clinical competency?

<p>Able to demonstrate marginally acceptable performance (C)</p> Signup and view all the answers

What is typically included as part of a competency assessment?

<p>Evaluation of technical skills, critical thinking, and application of knowledge (B)</p> Signup and view all the answers

Which of the following is NOT a characteristic of the 'Competent' stage in clinical competency?

<p>Ability to instinctively resolve complex situations (A)</p> Signup and view all the answers

What should caregivers be educated on regarding variations in care across different settings?

<p>Differences may arise due to the setting and resources available (D)</p> Signup and view all the answers

Why should patients' family members not be used to interpret medical conversations?

<p>Their emotional involvement may bias translations. (A), They may misinterpret medical terminology. (D)</p> Signup and view all the answers

What is a crucial consideration when preparing informed consent forms for patients?

<p>Translating them into the patient's preferred language. (B)</p> Signup and view all the answers

How should clinicians approach patients with multiple vulnerabilities, such as those with mental illness and imprisonment?

<p>Handle the situation with heightened awareness and sensitivity. (D)</p> Signup and view all the answers

Which type of health belief views disease as a disruption of natural balance within the body?

<p>Holistic. (A)</p> Signup and view all the answers

What key factor distinguishes magic-spiritual health beliefs from other types?

<p>Belief in supernatural forces causing illness. (D)</p> Signup and view all the answers

Why is it important for clinicians to be sensitive to the cultural beliefs of patients?

<p>To avoid conflicts and build trust in the patient-clinician relationship. (A)</p> Signup and view all the answers

What is a significant risk associated with coerced medical decisions involving vulnerable populations?

<p>Power dynamics leading to exploitation or harm. (C)</p> Signup and view all the answers

In situations where professional interpreters are unavailable, what should clinicians do?

<p>Consult the facility's policy regarding interpretation assistance. (B)</p> Signup and view all the answers

Which demographic is considered part of vulnerable populations that need special consideration in medical settings?

<p>The aging population. (D)</p> Signup and view all the answers

What is a common outcome if clinicians fail to respect a patient's religious beliefs during medical care?

<p>Reduced treatment adherence. (D)</p> Signup and view all the answers

What is the key outcome when patients are actively engaged in their own health care?

<p>Reduction in medical errors (A)</p> Signup and view all the answers

Which strategy is effective in promoting patient engagement during acute care stays?

<p>Communication about care planning and discharge throughout the stay (A)</p> Signup and view all the answers

How should informed consent for CVAD placement be approached?

<p>It should be a collaborative educational process involving shared decision-making (C)</p> Signup and view all the answers

What percentage of patients felt that their education regarding risks of CVAD placement could be improved?

<p>40% (A)</p> Signup and view all the answers

What is a common misconception regarding patient involvement in CVAD site selection?

<p>Patient opinions are often disregarded during the selection process (A)</p> Signup and view all the answers

What educational level should materials for informed consent ideally be tailored to?

<p>Between 4th and 6th grades (B)</p> Signup and view all the answers

What is considered a significant barrier to effective patient engagement?

<p>Providing excessive information at once (B)</p> Signup and view all the answers

Which factor significantly influences the likelihood of patient engagement in their care?

<p>Relating goals of engagement to specific information needs (D)</p> Signup and view all the answers

What role does the entire healthcare team play in patient education?

<p>The entire team must be involved in patient education for effectiveness (D)</p> Signup and view all the answers

What is the best approach for patients seeking opinions about their care?

<p>Utilize online health information to express informed preferences (C)</p> Signup and view all the answers

What is a critical factor in determining the level of patient education for CVAD care?

<p>The patient's clinical condition and their ability to participate (D)</p> Signup and view all the answers

Why is it important for patients and caregivers to know how to check for complications associated with their CVAD?

<p>To effectively challenge healthcare providers on practices (A)</p> Signup and view all the answers

When providing education to patients with CVADs, what is a recommended approach?

<p>Utilize verbal communication and allow adequate time for questions (A)</p> Signup and view all the answers

What type of education might be limited for acute care patients requiring a short-term CVAD?

<p>Education based on the patient's clinical condition (B)</p> Signup and view all the answers

Which aspect of CVAD education is particularly important for caregivers involved in home care?

<p>Basic knowledge about the catheter and complication management (C)</p> Signup and view all the answers

What should patients be taught regarding their CVAD during education sessions?

<p>General care practices, including catheter flushing and dressing changes (B)</p> Signup and view all the answers

What is one of the primary responsibilities of home care clinician nurses related to CVAD site care?

<p>Conducting routine site care in outpatient settings (B)</p> Signup and view all the answers

For patients with implanted ports, what is usually the degree of care required?

<p>Minimal care unless the port is accessed for infusion (D)</p> Signup and view all the answers

What role does patient education play in preventing suboptimal infection prevention processes?

<p>It builds confidence to challenge healthcare providers (B)</p> Signup and view all the answers

What should caregivers focus on to ensure effective CVAD management at home?

<p>Knowledge of complications and proper protection during daily activities (C)</p> Signup and view all the answers

Which factor is most crucial for clinicians to deliver effective multicultural care?

<p>Cultural and spiritual awareness and competence (B)</p> Signup and view all the answers

What significant change may occur in a patient's belief system regarding health treatments over time?

<p>Patients may adopt spiritual practices when conventional treatments fail (C)</p> Signup and view all the answers

What intervention is least effective in improving cultural competence among healthcare providers?

<p>Providing standard healthcare materials regardless of cultural context (D)</p> Signup and view all the answers

How might patients' perceptions of health and illness influence healthcare utilization?

<p>They may refuse certain treatments based on cultural beliefs (A)</p> Signup and view all the answers

What is the potential impact of a patient's cultural beliefs on their healthcare decisions?

<p>They can result in a rejection of both traditional and non-traditional treatments (D)</p> Signup and view all the answers

What type of healthcare program is specifically designed for American Indians and Alaska Natives?

<p>Indian Health Service (A)</p> Signup and view all the answers

What is one method to enhance communication with clients who have limited English proficiency?

<p>Hiring interpreters or bilingual staff (D)</p> Signup and view all the answers

Which characteristic is most relevant to understanding health beliefs on a continuum?

<p>Beliefs might transform as patients' experiences evolve (A)</p> Signup and view all the answers

What is the recommended approach for assessing a patient's beliefs in healthcare?

<p>Conduct individual assessments to understand their beliefs (A)</p> Signup and view all the answers

Flashcards

What is a Catheter Occlusion?

A catheter occlusion is when a blockage occurs within a central venous access device (CVAD), hindering the flow of medication or fluids.

How does ultrasound guidance prevent catheter occlusion?

Ultrasound guidance minimizes the risk of catheter placement errors, reducing the chance of vessel damage that can lead to occlusion.

Why are routine flushing protocols important for CVADs?

Regular flushing keeps the lumen clear of fibrin and other occluding materials, maintaining optimal flow.

Why is proper catheter size important?

Selecting the smallest catheter that meets the infusion needs reduces the risk of occlusion by minimizing the area for fibrin to accumulate.

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How can restrictive clothing or devices lead to catheter occlusion?

Restricting movement and pressure can disrupt catheter placement and lead to occlusion.

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What causes mechanical obstruction of a CVAD?

A mechanical obstruction can be caused by a kink in the catheter, tubing, or a misplacement of the catheter tip.

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What is a pinch-off syndrome?

A pinched-off syndrome occurs when the catheter is compressed by surrounding tissue, leading to occlusion.

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What are some symptoms of a catheter occlusion?

Difficulty or inability to infuse through the catheter could indicate occlusion. The blood return may be sluggish or absent due to blockage.

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How can catheter occlusion be prevented?

Maintaining proper tip location, regular flushing, and secure stabilization help prevent catheter occlusion.

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Why is forceful flushing of an occluded CVAD dangerous?

Forceful flushing of a severely occluded catheter could lead to catheter breakage due to the force of the fluid against the obstruction.

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How is a catheter occlusion treated?

Low-molecular-weight heparin (LMWH) or unfractionated heparin may be used to thin the blood and dissolve clots within the catheter.

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Thrombotic Occlusion

A blockage in a central venous access device (CVAD) caused by accumulated clots.

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High Catheter to Vein Ratio (CVR)

A condition where the catheter is too long relative to the vein, increasing the risk of clots.

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Fibrin Tail

A string of fibrin, a clotting protein, growing from the catheter tip that can attach to the vein wall.

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Intraluminal Thrombus

A blood clot forming inside the catheter lumen, blocking blood flow.

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Routine Flushing Protocols

A common method to prevent thrombotic occlusion, involving regular flushing of CVADs.

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Alteplase (Thrombolytic Agent)

A medication used to dissolve blood clots in CVADs, but requires careful use due to potential risks.

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Clearing Thrombotic Occlusion

A technique used to clear thrombotic occlusions, involving the use of flushing solutions and other interventions.

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Difficulty Infusing Fluids

A symptom of thrombotic occlusion, making it difficult or impossible to administer fluids through the CVAD.

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Sluggish or Absent Blood Return

Another symptom of thrombotic occlusion, where there is little or no blood return when aspirating from the CVAD.

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Rule Out Other Causes

A crucial step before administering thrombolytic agents, ensuring that other causes like malposition or mechanical issues are ruled out.

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How can medication cause catheter occlusion?

Incompatible medications or solutions can react within the catheter, forming a solid barrier that obstructs flow.

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How can lipids cause catheter occlusion?

Fatty substances can accumulate inside the catheter over time, narrowing the lumen and obstructing flow.

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What is the role of flushing in preventing occlusion?

Regular flushing with saline helps prevent clots and other materials from building up in the catheter.

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What is the 'Push-Pause' technique in catheter care?

Administering medications and flushing with saline before and after can help clear the catheter and prevent precipitates from forming.

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What are the steps for flushing after medication administration?

If saline is incompatible with a medication, use a compatible flush agent first, then follow with saline and heparin if ordered.

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What are the signs of a catheter occlusion?

Difficulty or inability to infuse or flush fluids through the catheter.

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How can we identify the cause of catheter occlusion?

A thorough evaluation of the patient’s recent medications and fluids is necessary to identify the cause of occlusion.

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How are mineral precipitates treated?

Hydrochloric acid (HCI) may be used on a physician's order to dissolve mineral precipitates in the catheter lumen.

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Non-Thrombotic Occlusion

A blockage in a central venous access device (CVAD) caused by a build-up of substances like minerals, lipids, or medication precipitates, hindering the flow of fluids or medications.

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Sodium bicarbonate (NaHCO3)

A solution used to treat alkaline precipitate in a CVAD, helping to dissolve the blockage.

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70% ethanol (ethyl alcohol)

A solution used to treat lipid precipitate or fat emulsions in a CVAD, helping to dissolve the blockage.

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Catheter Breakage

A serious consequence of forcefully flushing a severely occluded CVAD, potentially resulting in damage to the catheter or the vein.

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Catheter Dysfunction

A condition where a CVAD is no longer functional and needs to be removed due to irreversible dysfunction.

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Alterations in Patency

Changes in the flow of fluids or medications through a CVAD, such as sluggish flushing, intermittent or absent blood return, which can indicate a potential problem.

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Syringe Size for Patency Checks

Using a syringe of appropriate size (10 mL or larger) for all patency checks to ensure accurate assessment of CVAD function.

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Repairing a Ruptured Catheter

External portion of a CVAD can be repaired using a new hub kit from the manufacturer.

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Causes of Catheter Rupture

Actions or practices that can increase the risk of catheter rupture or breakage, such as excessive pressure or inappropriate handling.

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Damage Presentation

Symptoms of a damaged CVAD, including tears, ruptures, or pinholes on the external portion of the catheter.

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What is a CRBSI?

A type of catheter-related infection, the most common complication. May occur at insertion or any time during the catheter's use. It's a clinical diagnosis used for treatment but NOT for tracking infection rates.

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What is a CLABSI?

A laboratory-confirmed bloodstream infection linked to a central or umbilical catheter that was in place for at least 2 days. Used specifically for tracking infection rates.

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What are the main causes of CRBSI?

Inadequate hand hygiene, improper skin prep, lack of sterile barrier precautions during insertion, contaminated materials, and inconsistent sterile technique.

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What are the immediate steps to take if a catheter is damaged?

Clamp the catheter with hemostats, cover the damaged area with sterile material, and determine if a hub repair is feasible.

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What is a catheter embolus?

A potential complication of a damaged catheter where a piece of the catheter breaks off and travels in the bloodstream.

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What is extravasation from a catheter?

The fluid from a catheter leaks into surrounding tissues, causing swelling and potential damage.

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What is an air embolism related to a catheter?

Air enters the bloodstream through the catheter, potentially causing a blockage or dangerous complications.

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What is a catheter-related bloodstream infection (CRBSI)?

A bacterial infection that develops in the bloodstream due to contamination from the catheter or its care.

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What are routine flushing protocols?

The practice of regularly flushing the catheter with saline, heparin, or other solutions to maintain patency and prevent clots.

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Immunocompromised patients

Patients with weakened immune systems due to factors like advanced age, prematurity, critical illness, or multiple health conditions.

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Immunosuppression therapy

Medical treatments that suppress the immune system, increasing susceptibility to infections.

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Inadequate cleansing of needleless connector

Inadequate cleaning of the needleless connector, where IV fluids are connected to the catheter, increases the risk of infection.

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Administration of contaminated infusate

Contaminated IV fluids introduce bacteria into the bloodstream, leading to bloodstream infections.

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Maximal sterile barrier precautions for CVAD Insertion

Using strict sterile procedures during catheter insertion, such as barrier precautions, avoids introducing bacteria.

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Prep skin with chlorhexidine gluconate

Scrubbing the skin with an antiseptic solution before inserting the catheter reduces the risk of bacteria entering the bloodstream.

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Chlorhexidine-impregnated disc/dressing

Applying a chlorhexidine-impregnated dressing helps prevent bacteria from reaching the catheter site.

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Perform dressing changes per institutional policy

Regularly changing the dressing covering the catheter site minimizes contamination risk.

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Disinfect catheter with 70% alcohol or chlorhexidine

Disinfecting the catheter hub before accessing it with needles prevents bacteria from entering the bloodstream.

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Assess need for catheter daily

Regularly assessing the need for the catheter and removing it promptly when unnecessary minimizes the risk of infection.

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Pleural Effusion

Excess fluid buildup in the space between the layers of pleura surrounding the lungs.

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Pericardial Effusion Tamponade

Fluid accumulation in the pericardial sac surrounding the heart, potentially restricting heart function.

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Catheter Misplacement

A condition where a catheter is mistakenly placed into a position that does not allow for proper fluid flow.

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Catheter-Related Bloodstream Infection (CRBSI)

A bacterial infection that develops in the bloodstream due to contamination from the catheter or its care.

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Veins: What are they?

Blood vessels that carry deoxygenated blood back to the heart. They have thin walls, are located closer to the skin, and contain valves to prevent backflow.

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Arteries: What are they?

Blood vessels that carry oxygenated blood from the heart to the body. They have thick walls, are located deeper in the body, and lack valves.

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Systemic Circulation: What is it?

The process of transporting deoxygenated blood from the tissues to the right side of the heart.

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Pulmonary Circulation: What is it?

The process of transporting oxygenated blood from the lungs to the left side of the heart.

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Tunica Adventitia (Outermost Layer): What is it?

The outermost layer of blood vessels, providing support and structure.

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Tunica Media (Middle Layer): What is it?

The middle layer of blood vessels, composed of smooth muscle and elastic tissue, responsible for regulating blood flow.

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Tunica Intima (Innermost Layer): What is it?

The innermost layer of blood vessels, composed of a single layer of smooth, flat cells, providing a smooth surface for blood flow.

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Pericardial Effusion Tamponade: What is it?

A condition where fluid accumulates in the pericardial sac surrounding the heart, potentially restricting heart function.

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Catheter-Related Bloodstream Infection (CRBSI): What is it?

A type of catheter-related infection, characterized by the presence of signs and symptoms of infection but not necessarily confirmed by lab tests.

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Central Line-Associated Bloodstream Infection (CLABSI): What is it?

A laboratory-confirmed bloodstream infection associated with a central or umbilical catheter that has been in place for at least 2 days.

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Cephalic Vein

A superficial vein that arises from the dorsal radial side of the wrist and ascends the lateral aspect of the upper arm, merging into the axillary vein. It is typically smaller than the basilic vein and may narrow as it ascends, making PICC placement challenging.

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Basilic Vein

A large superficial vein that originates on the medial side of the wrist and ascends the medial aspect of the upper arm, joining the brachial veins to form the axillary vein. It is preferred for PICC placement due to its size and direct route.

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Median Cubital Vein

Superficial vein that may be palpated and visualized in the antecubital fossa. This vein joins either the cephalic or basilic vein.

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Brachial Vein

A pair of veins that drain the deep venous system of the lower arm. These are typically not used for vascular access.

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Cephalic Vein Thrombosis

A potential complication of PICC placement in the cephalic vein due to its narrowing as it enters the axillary vein. This can lead to blood clots.

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Ultrasound Guidance

A technique using ultrasound imaging to guide the placement of a PICC or midline catheter. The ultrasound helps to visualize the vein's size and course, minimizing complications.

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Mechanical Phlebitis

Inflammation of a vein caused by mechanical irritation, often from a catheter. This can occur in veins like the cephalic vein due to its narrow course.

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Axillary Vein

This deep vein forms at the junction of the basilic and brachial veins. It traverses the shoulder and terminates at the first rib, connecting to the subclavian vein.

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External Jugular Vein

This superficial vein originates near the jaw and runs along the sternocleidomastoid muscle. It empties into the subclavian vein.

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Axillary Vein (Clinical Considerations)

This deep vein requires ultrasound guidance for accessing and should be used as an alternative to subclavian vein access for central venous access devices (CVADs).

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Brachial Vein (Clinical Considerations)

This deep vein is often used for accessing CVADs, but special caution should be used with patients that are non-verbal or younger, as they may not be able to communicate nerve damage.

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External Jugular Vein (Clinical Considerations)

This superficial vein is easy to access as it is closer to the surface. It is not recommended for routine CVAD insertion due to its small size and tortuous path.

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Axillary Vein (Clinical Considerations)

This vein is an optimal site to access CVADs due to its proximity to the chest and ease of use with ultrasound guidance. It is a safer alternative compared to the subclavian vein.

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Axillary Vein (Clinical Considerations)

These veins should not be used for CVADs in patients with CKD or ESRD because of the risk of complications.

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External Jugular Vein (Clinical Considerations)

The External Jugular (EJ) is often engorged in patients with heart failure, providing an alternative if other access sites are unavailable.

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External Jugular Vein (Clinical Considerations)

The EJ is a good option for emergent and short-term IV access due to its ease of access, but complications such as thrombosis (blood clot formation) and extravasation (fluid leaking out) are potential risks.

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Subclavian Vein

The subclavian vein is a continuation of the axillary vein, extending from the outer border of the first rib to the medial border of the anterior scalene muscle. It is crucial to be cautious when accessing the subclavian vein, as complications like pneumothorax, hemothorax, and catheter pinch-off are potential risks.

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Pinch-off Syndrome

Pinch-off syndrome occurs when a catheter placed in the subclavian vein is compressed between the clavicle and the first rib. This can happen when the patient moves their shoulder or arm, leading to occlusion and difficulty in delivering fluids or medications.

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Subclavian Vein and CKD/ESRD

Due to the risk of complications like pneumothorax, hemothorax, and catheter pinch-off, the subclavian vein is not recommended for central venous access device (CVAD) insertion in patients with CKD stage 3 or higher or those with ESRD.

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Tunneled CVADs

A tunneled CVAD is placed in the internal jugular vein and tunneled over the clavicle, creating a more secure and less prone to infection placement. This technique minimizes complications and improves long-term access.

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Implanted Port

An implanted port is similar to a tunneled CVAD but with a self-sealing port implanted under the skin, providing a more discreet and easily accessible point for administration.

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Short-Term Dialysis Catheters

Short-term dialysis catheters are often placed in the internal jugular vein due to its size and ease of access. This allows for quick and efficient access to the bloodstream for dialysis treatments.

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Internal Jugular Vein and AVF

An AVF is a fistula created between an artery and a vein in the arm, providing a long-term access point for dialysis.

Placing a short-term dialysis catheter in the internal jugular vein avoids potential complications like stenosis, which could obstruct the AVF.

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Internal Jugular Vein and CKD

For patients with chronic kidney disease, it's recommended to place CVADs in the axillary or subclavian veins, avoiding the internal jugular vein. This reduces infection risks and avoids the 'pinch-off' issue.

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Brachiocephalic Veins

The brachiocephalic veins (right and left) are formed by the union of the internal jugular and subclavian veins at the root of the neck. They drain blood from the head, neck, and upper limbs, uniting to form the superior vena cava.

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Brachiocephalic Vein (Clinical Considerations)

Catheter tips located in the brachiocephalic veins have a higher risk of causing venous thrombosis (blood clots).

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Femoral Vein

The femoral vein is situated within the femoral triangle in the groin area. The triangle is bordered by the inguinal ligament, adductor longus, and sartorius muscles.

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Brachiocephalic Vein (Clinical Considerations)

Catheter tips located in the brachiocephalic veins have a higher risk of causing venous thrombosis (blood clots).

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Femoral Vein (Clinical Considerations)

The femoral vein is commonly used for short-term access due to its accessibility but carries a higher rate of CRBSI compared to other sites.

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Femoral Vein (Clinical Considerations)

The common femoral vein is used for VAD placement in both acute and chronic settings.

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Brachiocephalic veins

The brachiocephalic veins (right and left) are formed by the union of the internal jugular and subclavian veins at the root of the neck. They drain blood from the head, neck, and upper limbs, uniting to form the superior vena cava.

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Superior Vena Cava (SVC)

Formed by the confluence of the left and right brachiocephalic veins, located near the right border of the sternum. Enters the top of the right atrium near the level of the third costal cartilage. Largest vein in the upper body.

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Inferior Vena Cava (IVC)

Formed by the confluence of the common iliac veins, receives blood from all organs below the diaphragm. Runs posterior to the abdominal cavity along the right side of the spinal column. Enters the right atrium.

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Azygos Vein

Ascends from the abdomen and arches anteriorly to enter the posterior wall of the SVC. Catheter tips can malposition in the azygos and must be repositioned or replaced.

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Posterior Auricular Vein

The posterior auricular vein is a superficial vein that runs along the side of the head behind the ear. It's a smaller vein that usually is not considered for central venous access, but can be used for peripheral intravenous access.

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Lesser Saphenous Vein

The lesser saphenous vein is a vein located on the back of the lower leg. It runs from the ankle to the popliteal fossa (behind the knee). This vein is an alternative for IV access, but it's not as common as the greater saphenous vein because it's smaller and more difficult to find.

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Why is the brachial artery not recommended for pediatric patients?

The brachial artery is best avoided for pediatric patients due to the lack of collateral blood flow, meaning there are fewer alternative pathways for blood to reach the affected area if the brachial artery is blocked or damaged.

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Where is the femoral artery located?

The femoral artery is situated deep in the groin, midway between the pubic symphysis and the anterior superior iliac spine.

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What is the preferred method for femoral artery insertions?

Ultrasound guidance is considered best practice for all femoral artery insertions.

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How does CKD impact vascular access decisions?

Chronic kidney disease (CKD) can affect vascular access due to changes in blood flow and potential for future arteriovenous fistulas (AVFs). Therefore, it's essential to consult a Vascular Access Specialist for guidance.

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Where should CVADs be placed in patients with a history of mastectomy and axillary lymph node dissection?

A patient with a history of mastectomy and axillary lymph node dissection should have central venous access devices (CVADs) inserted in the contralateral arm (opposite side) to minimize the risk of lymphedema.

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What is the risk associated with axillary lymph node dissection?

Lymphedema, a swelling caused by fluid buildup in the tissues, can occur years or decades after lymph node dissection, even with breast-conserving surgery, increasing the risk with more lymph nodes removed.

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How do comorbidities affect CVAD access and care?

The presence of comorbidities like diabetes mellitus, steroid therapy, edema, and lymphedema can affect device selection, insertion, and wound healing.

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What information should be reviewed for effective CVAD insertion planning?

To ensure a safe and successful CVAD insertion, a comprehensive history and assessment of a patient's previous vascular access, site, dwell, and associated complications are crucial.

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Why is it important to consider CKD/ESRD in CVAD insertion?

Central venous access devices (CVADs) are frequently used for administering medications and fluids to patients with various medical conditions; however, specific considerations are essential for patients with chronic kidney disease (CKD) stage 3 or higher or end-stage renal disease (ESRD), as they are more prone to potential complications due to their altered vascular system.

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What is the benefit of a tunneled CVAD?

Tunneled CVADs, inserted in the internal jugular vein and tunneled over the clavicle, provide a more secure placement option for long-term access, minimizing infection risks and allowing for easier access for medication and fluid administration over extended periods.

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Saphenous Vein

The saphenous vein is a long vein that starts in the foot and travels up the inner side of the leg. It's often used for inserting catheters, but it's important to avoid using it in patients who crawl or walk often.

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Popliteal Vein

The popliteal vein is located behind the knee and joins with other vessels to form the femoral vein. It can be used for inserting catheters, but it's important to be cautious with patients who crawl or walk often.

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Umbilical Vein

The umbilical vein is a vein that's present in the umbilical cord and can be used for inserting catheters in newborns. However, it's only available for a limited time after birth.

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Radial Artery

The radial artery is located on the thumb side of the wrist and is often used for inserting arterial lines. Before accessing the radial artery, it's important to perform an Allen's test to ensure that there is good blood flow to the hand.

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Brachial Artery

The brachial artery is located in the upper arm and can be used for inserting arterial lines, but it's often easier to access using ultrasound guidance.

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Role of Flushing in Preventing Occlusion

Regular flushing with saline helps prevent clots and other materials from building up in the catheter.

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Push-Pause Technique in Catheter Care

Administering medications and flushing with saline before and after can help clear the catheter and prevent precipitates from forming.

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Flushing After Medication Administration

If saline is incompatible with a medication, use a compatible flush agent first, then follow with saline and heparin if ordered.

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Identifying the Cause of Catheter Occlusion

A thorough evaluation of the patient’s recent medications and fluids is necessary to identify the cause of occlusion.

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Catheter Embolus

A potential complication of a damaged catheter where a piece of the catheter breaks off and travels in the bloodstream.

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What is Stenosis?

Stenosis is a narrowing of a blood vessel caused by permanent scarring. It's common in patients with chronic conditions needing frequent vascular access, like cystic fibrosis patients.

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How does endothelial damage occur?

The thin, inner layer of a blood vessel, called the endothelium, can be damaged from a puncture leading to platelet activation and clot formation.

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What is the biggest challenge for vein preservation in CKD patients?

Repeated venipuncture, especially in patients with CKD, leads to cumulative damage and limited vein options.

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Why are good quality peripheral veins important for CKD patients?

Dialysis often uses solutions with high osmolality (900 mOsm/L) and pH extremes, requiring good quality peripheral veins for optimal treatment.

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What are the 'critical' veins for CKD patients?

Veins in the forearm, upper arm, and subclavian are crucial for creating hemodialysis access. These veins should be avoided for routine IV access in CKD patients.

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What is the preferred site for IV catheters in CKD patients?

Dorsal metacarpal veins of the dominant hand are the preferred site for short-term peripheral IV catheters in CKD patients.

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How is site and device selection different in CKD patients?

A site and device selection must be made carefully in CKD patients to preserve veins needed for potential future hemodialysis access.

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How does the catheter tip contribute to vein damage?

Catheter tip placement against the vein wall or catheter movement can activate platelets and collagen leading to clotting.

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What is the role of fibrin in vein damage?

Fibrin deposit over platelet plug at the site of vein wall injury is part of the natural clotting process.

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What should you assess for before placing IV access in CKD patients?

Assess for previous vein damage, like stenosis or thrombosis, which makes them unusable for future hemodialysis access.

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Developmental Stages of Children

A child's ability to understand and cope with medical procedures is influenced by their developmental stage. This means that different ages might have different fears and need different approaches.

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Child Life Specialist

A medical professional specially trained to help children manage the emotional and developmental challenges of healthcare procedures.

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Comfort Items

These can be special blankets, stuffed animals, or any other item that provides comfort and security to a child.

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Topical Anesthetics

These medications are applied topically to numb the skin and reduce pain during procedures.

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Cold and Vibration

Techniques such as applying cold compresses or using vibrating devices to distract from pain.

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Comfort Positioning

Positioning the child in a way that makes them feel safe and secure during a procedure.

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Distraction Techniques

Activities like blowing bubbles, playing with light-up spinners, listening to music, or reading stories to distract the child.

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Mild Sedation/Anxiolysis

Medications used to calm anxiety and relax the child. These are often used in small doses and require close monitoring.

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Moderate Sedation with Monitoring

Medications used to induce a deeper state of relaxation and drowsiness, requiring close monitoring by trained professionals.

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Industry VS Inferiority (Ages 3-5 & 6-12)

When a child feels incapable of meeting expectations, they might experience feelings of inadequacy or inferiority. This stage is crucial for developing confidence and a sense of accomplishment.

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What is Pericardial Effusion Tamponade?

A condition where fluid accumulates in the pericardial sac surrounding the heart, potentially restricting heart function.

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What is a Central Line-Associated Bloodstream Infection (CLABSI)?

A laboratory-confirmed bloodstream infection associated with a central or umbilical catheter that has been in place for at least 2 days.

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What is the Cephalic Vein?

A superficial vein that arises from the dorsal radial side of the wrist and ascends the lateral aspect of the upper arm, merging into the axillary vein. It is typically smaller than the basilic vein and may narrow as it ascends, making PICC placement challenging.

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What is the Basilic Vein?

A large superficial vein that originates on the medial side of the wrist and ascends the medial aspect of the upper arm, joining the brachial veins to form the axillary vein. It is preferred for PICC placement due to its size and direct route.

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What is Cephalic Vein Thrombosis?

A potential complication of PICC placement in the cephalic vein due to its narrowing as it enters the axillary vein. This can lead to blood clots.

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What is Mechanical Phlebitis?

Inflammation of a vein caused by mechanical irritation, often from a catheter. This can occur in veins like the cephalic vein due to its narrow course.

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What is the Axillary Vein?

This deep vein forms at the junction of the basilic and brachial veins. It traverses the shoulder and terminates at the first rib, connecting to the subclavian vein.

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What is the External Jugular Vein?

The external jugular vein is located near the jaw and runs along the sternocleidomastoid muscle. It empties into the subclavian vein.

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What are the Clinical Considerations for the Axillary Vein?

This deep vein requires ultrasound guidance for accessing and should be used as an alternative to subclavian vein access for central venous access devices (CVADs).

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What is Chronic Kidney Disease (CKD)?

Chronic Kidney Disease (CKD) is defined as a Glomerular Filtration Rate (GFR) less than 60 mL/min/1.73 m2 for more than 3 months, regardless of the cause.

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What is Serum Creatinine?

Serum creatinine is a chemical waste product produced by muscle metabolism. It is transported via the blood to the kidneys for filtration into urine. Elevated serum creatinine levels (2 mg/dL or greater) should be correlated with GFR for early CKD detection and vascular access planning.

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What is INR?

International Normalized Ratio (INR) is the preferred test for monitoring patients taking Vitamin K antagonists (VKA) like warfarin. It assesses bleeding risk and coagulation status. Monitoring INR helps adjust VKA doses.

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How are Coagulation Studies Used in Vascular Access?

Placement of vascular access devices in thrombocytopenic patients should be guided by healthcare practitioners, hospital policies, and the expertise of the inserter. PICCs may be suitable for hypercoagulable patients. Coagulation should not be a sole contraindication for PICC placement.

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Why is a Comprehensive Vascular Access Plan Necessary?

A comprehensive vascular access plan should be developed in consultation with nephrologists and other healthcare professionals before any venipuncture or insertion of a venous access device. This ensures proper placement, minimizes complications, and promotes long-term access.

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What is Ultrasound Guidance in Vascular Access?

Ultrasound guidance is a technique that uses ultrasound imaging to visualize veins and arteries. This helps minimize the risk of complications during vascular access procedures.

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What is the Subclavian Vein?

The subclavian vein is a continuation of the axillary vein that runs from the first rib to the anterior scalene muscle. While it is a common site for accessing central venous access devices (CVADs), it's essential to be aware of potential complications like pneumothorax, hemothorax, and pinch-off syndrome.

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Glomerular Filtration Rate (GFR)

A test that measures how well the kidneys are filtering waste from the blood. It estimates the amount of blood passing through the glomeruli per minute.

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Leukocytosis

An increase in the number of white blood cells (WBCs) in the blood, often caused by infections.

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Central Line-Associated Bloodstream Infection (CLABSI)

A common complication associated with central or umbilical catheters that have been in place for at least 2 days, confirmed by blood cultures.

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Systemic Circulation

A blood vessel that transports deoxygenated blood from the tissues to the right side of the heart.

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What is Prothrombin Time (PT)?

Prothrombin time (PT) is a blood test that measures how long it takes for blood to clot. It is used to evaluate the extrinsic pathway of coagulation, which is the pathway activated by tissue damage.

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What is Partial Thromboplastin Time (PTT)?

Partial thromboplastin time (PTT) is a blood test that measures how long it takes for blood to clot in the presence of a reagent that activates the intrinsic pathway of coagulation.

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What is International Normalized Ratio (INR)?

International Normalized Ratio (INR) is a standardized measure of how long it takes for blood to clot. It is used to monitor the effectiveness of anticoagulant medications, such as warfarin.

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How is Ultrasound used in IV Access?

Ultrasound technology uses high-frequency sound waves to create images of the body's internal structures. This helps visualize veins, arteries, and surrounding anatomy, making CVAD insertion safer and precise.

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What is the Catheter-to-Vessel Ratio (CVR)?

The catheter-to-vessel ratio (CVR) reflects the size of the catheter relative to the diameter of the vein. A high CVR increases the risk of complications, such as catheter occlusion and thrombosis, due to the larger catheter potentially hindering blood flow.

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What is a Fibrin Tail?

A fibrin tail is a string of fibrin, a clotting protein, that can grow from the tip of a catheter into the vein. It is a potential complication of CVAD placement that can lead to catheter occlusion and infection.

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What is a Tunneled CVAD?

A tunneled CVAD is a type of central venous access device (CVAD) that is inserted into a vein (usually jugular vein), then tunneled under the skin to an exit site (usually in the chest). This reduces the risk of infection and provides a more secure access point.

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What is an Implanted Port?

An implanted port is a type of CVAD that is placed under the skin, with a self-sealing port that is accessed with a needle. It is more discreet and less prone to infection than a traditional CVAD.

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What is a Short-Term Dialysis Catheter?

A short-term dialysis catheter (also called a central venous catheter) is a catheter placed in a large vein (often the internal jugular vein) that provides temporary access to the bloodstream for dialysis treatments.

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Resolution

The ability of ultrasound to distinguish between adjacent structures. Higher frequency waves provide better detail (resolution) but penetrate less deeply. Lower frequency waves penetrate deeper but with less detail.

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Transducer Probe

A device that transmits and receives ultrasound waves. It's placed on the patient's skin and creates images based on the reflected sound waves.

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Gain

The strength of the ultrasound signal. Gain controls the brightness of the image. Too low, the image is too dark. Too high, the image is too bright.

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Transverse Plane

A cross-sectional view of the anatomy, often showing vessels as circles.

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Longitudinal Plane

A lengthwise view of the anatomy. Often used to see the length of vessels or organs.

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Orientation Marker

A ridge or marker on the end of the transducer to help align the probe consistently relative to the patient's body and correlate with the orientation marker on the ultrasound display screen.

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Ultrasound Gel

A gel that's used with ultrasound to transmit sound waves from the probe into the body's tissues, eliminating air interference.

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Sterile Probe Covers

A special cover designed to maintain a sterile field during ultrasound procedures.

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Real-Time Imaging

The repeated process of producing rapidly changing images, allowing us to see movement in real time.

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Depth of Image

The depth of visualization through tissue, measured in centimeters, from the skin surface downward. It can be adjusted to increase the field of view or look deeper.

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Needle Guides

A slot in the transducer that allows for attachment of a guide to align the needle at the correct angle for entering veins based on the depth of the vessel.

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Identifying Veins

In the longitudinal view, veins appear as tubes with a blackish center, and in the transverse view, they appear as round objects with a blackish center. Veins collapse easily under pressure and don't pulsate.

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Identifying Arteries

In the longitudinal view, arteries appear as tubes, and in the transverse view, they appear as round objects. Arteries pulsate under light to moderate pressure.

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Visualizing the Median Nerve

The median nerve is a large nerve that travels with the brachial artery and veins in the upper arm. It's important to visualize this nerve when inserting vascular access devices to avoid accidental puncture.

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Needle Tip Reflection on Ultrasound

When a needle crosses the ultrasound beam, it appears as a bright white reflection on the screen. Ultrasound guidance is used to visualize the needle, making it easier to target the vein and prevent complications.

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Fluoroscopy in CVAD Insertion

Fluoroscopy is a type of medical imaging that uses real-time X-rays to guide the placement of catheters. It's particularly valuable when placing CVADs due to its ability to precisely visualize the catheter and its path.

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Electromagnetic Tip Navigation

Electromagnetic tip navigation uses a special stylet with magnets to guide catheter placement. The magnetic field is detected by a sensor, allowing for precise positioning of the catheter tip.

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Intravascular ECG in CVAD Placement

Intravascular ECG (IV ECG) technology uses the saline column within a catheter as an electrode to monitor the heart's electrical activity during CVAD placement. This helps to ensure proper catheter placement and prevent complications.

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Veins: Function and Characteristics

Veins are blood vessels that transport deoxygenated blood back to the heart. They are typically located closer to the skin and have thinner walls than arteries.

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Arteries: Function and Characteristics

Arteries are blood vessels that transport oxygenated blood from the heart to the body. They are typically located deeper within the body and have thicker walls than veins.

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Axillary Vein: Location and Significance

The axillary vein is a large vein that runs through the shoulder and connects to the subclavian vein. It's a preferred site for CVAD placement due to its proximity to the chest and improved safety compared to the subclavian vein.

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Subclavian Vein: Location and Risks

The subclavian vein is located beneath the clavicle, connecting to the axillary vein. It's relatively easy to access but also carries a higher risk of complications like pneumothorax and hemothorax.

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Internal Jugular Vein: Location and Use

The internal jugular vein is located in the neck, running along the carotid artery. It's a common site for placing central venous access devices (CVADs), particularly for short-term dialysis catheters.

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What is the carina?

The location where the right mainstem bronchus merges with the left mainstem bronchus, creating the airway for both lungs.

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What is the Caval-Atrial Junction (CAJ)?

The point where the superior vena cava (SVC) joins the right atrium, marking the beginning of the heart's right chamber.

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What is an ECG with Intravascular Doppler?

A stylet with a built-in Doppler sensor that allows for measuring the direction of blood flow, helping guide the catheter toward the desired location.

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What is an Anterior-Posterior (AP) chest X-ray?

A type of chest X-ray where the patient is positioned with their back against the X-ray film, giving a more distorted view of the heart due to its distance from the film.

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What is a Posterior-Anterior (PA) chest X-ray?

A type of chest X-ray where the patient is positioned with their chest against the X-ray film, providing a less distorted view due to the closer position of the heart.

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What is the Cincinnati Triangle?

A triangular area in the chest used to visually determine the tip location of a central venous access device (CVAD) using a chest X-ray.

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What are factors that can interfere with the interpretation of a chest X-ray for CVAD tip location?

The ability to differentiate a specific position of a central venous access device (CVAD) tip using a chest X-ray is influenced by several factors, including patient factors, catheter position, and other medical equipment.

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What are X-ray settings that can affect the visualization of a CVAD tip?

The patient's position, arm position, and breathing patterns can influence the visualization of the central venous access device (CVAD) tip on a chest X-ray.

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What is the impact of vein selection on CVAD tip location?

The choice of vein for a central venous access device (CVAD) insertion can influence the location of the catheter tip on a chest X-ray.

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Why is confirmation of CVAD tip location important?

The placement of a central venous access device (CVAD) tip should be carefully monitored using a chest X-ray to confirm its location and prevent complications. Improper positioning can lead to complications like pneumothorax or hemothorax.

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Competency Assessment

An evaluation measuring a set of skills and knowledge; evaluation includes technical skills, critical thinking, and the ability to apply skills and knowledge in the right way, at the right time.

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Competency

Demonstration of knowledge, skills, and ability at a defined level of expertise.

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Clinical Competency in Medicine

Generally defined by specialty area and includes knowledge, skills, attitudes, and the ability to translate and integrate knowledge.

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Transition Document

A formalized, standardized document that travels with the patient during care site transitions; it should include detailed information regarding the patient's indwelling VAD.

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CRBSI (Catheter-Related Bloodstream Infection)

A type of catheter-related infection, the most common complication. May occur at insertion or any time during the catheter's use. It's a clinical diagnosis used for treatment but NOT for tracking infection rates.

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CLABSI (Central Line-Associated Bloodstream Infection)

A laboratory-confirmed bloodstream infection linked to a central or umbilical catheter that was in place for at least 2 days. Used specifically for tracking infection rates.

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Pulmonary Circulation

The process of transporting oxygenated blood from the lungs to the left side of the heart.

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What are professional licensure exams?

Professional licensure exams assess a professional's minimum competency in a field. It's like a driving test to ensure you're qualified to practice.

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What is certification?

Certification formally recognizes specialized knowledge, skills, and experience through meeting professional standards.

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What is professional development?

Professional development, also known as Staff Development, involves assessing and enhancing professional competencies.

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What are standards of practice?

Standards of Practice are official statements by professional bodies that establish the responsibilities of practitioners.

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What are clinical practice guidelines?

Clinical practice guidelines are systematically developed recommendations for appropriate care, based on the latest research.

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What is interdisciplinary collaboration?

Interdisciplinary collaboration refers to professionals from different fields working together to achieve shared goals.

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What is a mentor?

Mentoring involves a more experienced professional guiding and supporting a less experienced colleague through guidance, coaching, and role modeling.

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What is vascular access?

Vascular access involves gaining access to veins or arteries for intravenous therapies, blood draws, or other procedures.

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What is simulator training for vascular access?

Simulator training allows for practicing vascular access skills in a safe environment using models and devices.

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What is mentorship?

Mentorship involves a more experienced professional guiding and supporting a less experienced colleague, creating a trusting relationship.

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Culture

The learned, shared, and transmitted values, beliefs, norms, and life ways of a particular group that guides their thinking, decisions, and actions.

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Scientific or Biomedical health Belief

Belief that physical and biochemical processes cause disease and illness and medications, surgery, etc.are desired interventions

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Holistic health Belief

Belief that a natural balance or elements within the body exists and when disturbed, disease and illness occur.Interventions relate to restoring balance, and often integrates naturally-derived products (herbs, plants, etc.) and methods (e.g., aromatherapy, acupuncture, naturopathy) with biomedical products and methods.

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Magic-spiritual health Belief

Belief that disease and illness are caused by supernatural forces.

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Religious Objections to Medical Care

Individuals sometimes decline medical care for themselves or children on the basis of religious beliefs.

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Cultural Differences in Healthcare

Clinicians need to be sensitive to patient's culture, and should attempt to make collaborative decisions including the patient whenever possible, taking care when considering authority to override personal or parental preferences.

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Vulnerable Populations

Populations that are vulnerable to skewed power dynamics in interpersonal relationships, leading to an increased risk of coercion.

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Examples of Vulnerable Populations

Pediatric patients, the aging population, the prison population, and those with behavioral or mental challenges.

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Multiple Vulnerability in Informed Consent

Situations where patients have multiple sources of vulnerability impacting informed consent, demanding a higher level of awareness and sensitivity. Legal department or risk management may need to be involved.

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Using Family or Friends as Interpreters

The patient's family, caregiver or friends should not be used to interpret medical conversations.

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Health Beliefs

A person's beliefs about health, illness, and treatment. These beliefs affect how they perceive their health, make decisions about preventive care, and choose healthcare practices.

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Variables Influencing Health Beliefs

Factors that influence an individual's beliefs about health and illness. These include personal experiences, cultural background, religious beliefs, and social norms.

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Cultural and Spiritual Competence

Respecting and understanding a patient's unique cultural and spiritual background while providing healthcare. This includes recognizing that beliefs may differ from your own and allowing patients to make informed choices about their care.

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Interventions to Improve Cultural Competence

Practices that promote sensitivity and understanding of diverse cultures within healthcare settings. These include hiring a diverse staff, providing language services, and offering culturally-appropriate education materials.

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AVF (Arteriovenous Fistula)

A fistula created between an artery and a vein in the arm for long-term dialysis access.

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What is patient engagement?

The ability of patients to actively participate in their healthcare decisions and care, working with healthcare providers to optimize outcomes or enhance care experiences.

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What is patient education in the context of patient engagement?

It encompasses more than just providing information; it's about fostering a collaborative and participatory approach to patient care.

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What is informed consent in the context of a CVAD placement?

It is a shared decision-making process where a patient is provided with information about a procedure or treatment to enable them to make an informed choice.

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What is the scope of patient education for a CVAD?

The process starts before a CVAD is placed and continues throughout the time the catheter is in place, involving the entire team involved in vascular access and infusion administration.

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How does encouraging and facilitating communication contribute to patient engagement?

This is a key strategy for promoting patient engagement. It ensures that patients have the information they need to make informed decisions about their care.

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How does engaging in discharge planning contribute to patient engagement?

Regularly involving patients in planning for their discharge after an acute care stay enhances their sense of control and promotes smoother transitions.

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How is patient preference involved in CVAD site selection?

This involves selecting the most appropriate vascular access device, considering patient preferences and minimizing risks. It requires collaborative efforts among the healthcare team and the patient.

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How should educational materials related to a CVAD be presented?

Providing educational materials tailored to a 4th-6th grade reading level helps ensure patients understand the information related to informed consent and CVAD care.

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Why is it important to educate patients about their central line?

Patients are likely to engage more when they understand the benefit of having a central line and are empowered to participate in decisions about their care.

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Why is patient engagement beneficial in CVAD care?

Involving patients in their care by providing them with information and opportunities to participate in decision-making not only improves patient satisfaction but also leads to better outcomes.

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Patient Education Level

The level of education provided should be tailored to the patient's individual needs, taking into account their clinical condition, ability to comprehend information, and necessity for participation in CVAD care.

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Home Care Education

Patients going home with a CVAD require comprehensive education about their catheter, including complications, management techniques, and ways to protect it during daily activities.

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Empowering Patients

Patients and caregivers must be equipped to challenge healthcare providers who may not adhere to optimal infection prevention practices, reducing the risk of infections associated with CVADs.

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Flushing and Locking

Teaching patients and caregivers how to flush and lock their CVADs is a standard practice, helping to maintain the catheter's patency and prevent complications.

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Site Care and Dressing Changes

Depending on the type of CVAD and patient capabilities, site care and dressing changes may be taught. PICC site care necessitates special considerations regarding catheter migration and dislodgement.

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Implanted Port Care

Implanted ports require minimal care from patients, caregivers, and families unless the port is accessed for infusions.

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Axillary Vein Access

The axillary vein, situated in the shoulder, offers a safer alternative to subclavian vein access for CVADs due to its proximity to the chest and ease of use with ultrasound guidance.

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Subclavian Vein Access and CKD/ESRD

Due to the risk of complications like pneumothorax, hemothorax, and catheter pinch-off, subclavian vein access is not recommended for patients with CKD stage 3 or higher or those with ESRD.

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Study Notes

Catheter Occlusion

  • Dysfunction of an indwelling catheter caused by mechanical, thrombotic, or non-thrombotic occlusion.
  • Determining the cause of the occlusion is key to resolving the issue.

Prevention of Catheter Occlusion

  • Use ultrasound (US) guidance for all central venous access device (CVAD) insertions.
  • Ensure proper vessel and catheter selection.
  • Minimize fibrin accumulation through routine flushing protocols.
  • Avoid restrictive clothing and devices.
  • Limit heavy lifting and excessive exercise.
  • Utilize stabilization devices and proper dressings.
  • Do not flush against resistance.
  • Use a larger syringe for patency checks.
  • Avoid sharp instruments near the catheter during dressing changes.
  • Use adhesive remover when changing transparent dressings.
  • Application of chlorhexidine-impregnated disc or dressing.
  • Avoid routine use of gauze dressings.
  • Disinfect the needleless connector, injection port or catheter hub using 70% Isopropyl alcohol or alcoholic chlorhexidine gluconate solution before each access.
  • Ensure proper tip placement, appropriate stabilization, and secure dressing.
  • Proactive maintenance, early detection, and correction of dysfunction.
  • Ensure proper tip location and routine flushing protocols, use flush agents appropriate for medications, ensure proper administration protocols, use a Push-Pause technique.
  • Use 10 mL or larger syringe (or equivalent barrel size) for all patency checks.
  • Avoid use of sharp instruments near catheter such as scissors when performing dressing change.
  • Avoid using gauze dressings.
  • Disinfect the needleless connector prior to each access.
  • Use of passive disinfection caps.
  • Application of chlorhexidine-impregnated disc or dressing.
  • Perform dressing changes according to institutional policy.
  • Avoid using sharp instruments near catheter during dressing changes.
  • Use appropriate antiseptic solution to maintain sterility.
  • Maintain appropriate sterility of the infusion site.
  • Use appropriate personal protective equipment (PPE) during procedures.
  • Use aseptic technique during all procedures.
  • Use chlorhexidine-impregnated dressings to maintain sterility.
  • Strict adherence to evidence-based CRBSI prevention guidelines.

Symptoms of Catheter Occlusion

  • May be asymptomatic.
  • Inability or difficulty infusing.
  • Leaking at the insertion site.
  • Erythema.
  • Pallor.
  • Pain.
  • Edema.
  • Collateral veins may appear.
  • Numbness in the affected extremity, shoulder, neck, or chest.
  • Fibrin can coat the catheter surface.
  • Partial or total occlusion of the vessels is possible.
  • Thrombus may embolize.
  • Pulmonary embolism or other embolic complications.
  • Post Thrombotic Syndrome.
  • Difficulty or inability to infuse.
  • Sluggish or absent blood return.
  • Leakage from catheter.
  • Catheter embolus, infection, infiltration, extravasation, and air embolism.
  • Signs of sepsis (e.g., hypotension, tachycardia, fever, chills, pain, malaise, elevated white blood cell count, or confusion).
  • Signs of infection (purulent drainage, erythema).

Mechanical Occlusion

  • Causes: Catheter movement/inadequate device securement, mechanical obstruction, kink in catheter or tubing, tip malposition (pinch-off syndrome), improper clamping or excessive manipulation. Improper use, inadequate maintenance, lack of early detection.
  • Prevention: Ensure proper tip placement, routine flushing, appropriate stabilization, secure dressing, use correct flush agents, and ensure proper administration protocols. Ensure proper tip location and routine flushing protocols, use flush agents appropriate for medications/infusions, ensure proper administration protocols, use a Push-Pause technique. Follow manufacturer's instructions for catheter maintenance.
  • Symptoms: Difficulty or inability to infuse, sluggish or absent blood return, symptoms of sepsis (eg, hypotension, tachycardia, fever, chills, pain, malaise, elevated white blood cell count, or confusion), signs of infection (purulent drainage, erythema).
  • Treatment: Determine type of occlusion/dysfunction, catheter removal if necessary. Remove add-on extension sets; change the needleless connector; inspect external catheter length for kinks; chest radiography if indicated; and use appropriate flush protocols for the solution administered to resolve the obstruction.

Thrombotic Occlusion

  • Causes: High catheter to vein ratio (CVR), catheter movement/inadequate securement, fibrin tail (accumulation of fibrin), intraluminal thrombus, improper use/inadequate maintenance, lack of early detection.
  • Prevention: Proactive maintenance, early detection, and correction of dysfunction, ensure proper tip location and routine flushing, appropriate stabilization, & secure dressing, use correct flush agents, and ensure proper administration protocols; adhere to manufacturer recommendations.
  • Symptoms: Difficulty or inability to infuse, sluggish or absent blood return, symptoms of sepsis (eg, hypotension, tachycardia, fever, chills, pain, malaise, elevated white blood cell count, or confusion), signs of infection (purulent drainage, erythema).
  • Treatment: Rule out tip malposition and mechanical factors, administering of clearing agent (Alteplase or other FDA cleared thrombolytic) following institutional policy, consider antimicrobial lock solutions and catheter removal if necessary. Repeat prevention steps.

Non-Thrombotic Occlusion

  • Causes: Incompatible medications/solutions, lipid accumulation, mineral/acidic precipitates (low pH), precipitation caused by incompatible medications/ solutions, lipid accumulation in the catheter lumen, mineral/acidic precipitates, use of non-compatible medications/infusions, not maintaining appropriate sterility of the infusion site.
  • Prevention: Proactive maintenance, routine flushing, use flush agents, appropriate for medications/infusions, ensure proper administration protocols, use a Push-Pause technique, avoid using gauze dressings, maintain appropriate sterility, use of chlorhexidine-impregnated dressings, & strict adherence to evidence-based CRBSI prevention guidelines.
  • Symptoms: Difficulty or inability to infuse, sluggish or absent blood return, symptoms of sepsis, signs of infection.
  • Treatment: Evaluate recent infusates, consult a pharmacist, treat mineral/acidic precipitate with low pH with HCI per physician or institutional protocol, consider antimicrobial lock solutions, catheter removal if necessary; flush with saline, follow with heparin if ordered; assess infection/inflammation.
  • Additional Treatment Considerations: Utilize antiseptic solutions to maintain sterility, use chlorhexidine-impregnated dressings, consider antimicrobial lock solutions. Use appropriate flushing protocols for specific medications/infusions, and ensure use of appropriate flush solutions. Perform dressing changes and prevent exposure to contamination. Ensure aseptic technique during all procedures, use appropriate PPE.

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