Introduction to IV Cannulation
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Questions and Answers

What is the main cause of needlestick injuries according to the content?

  • Lack of personal protective equipment
  • Improper disposal of needles
  • Double handling during procedures (correct)
  • Use of retractable safety IVs
  • Which of the following statements about retractable safety IVs is true?

  • They require additional training for their use.
  • They are not recommended for use in clinical settings.
  • They eliminate the risk of needlestick injuries completely.
  • They still pose a risk of needlestick injuries. (correct)
  • When should a needle be disposed of to reduce the risk of injury?

  • At the end of the procedure only
  • During the procedure every few minutes
  • Immediately after the procedure is performed (correct)
  • Only after a needlestick injury occurs
  • What treatments might be required for a person who suffers from a bite injury?

    <p>Antibiotics and tetanus toxoid</p> Signup and view all the answers

    How can the occurrence of needlestick injuries be effectively reduced?

    <p>Through proper training and immediate disposal of needles</p> Signup and view all the answers

    Where is the epidermis thickest?

    <p>On the palms of the hands and soles of the feet</p> Signup and view all the answers

    What is the primary function of the epidermis?

    <p>To act as a barrier against infection</p> Signup and view all the answers

    Which layer of blood vessels contains smooth muscle and responds to temperature changes?

    <p>Tunica media</p> Signup and view all the answers

    What structural feature is unique to veins to facilitate blood flow?

    <p>One-way venous valves</p> Signup and view all the answers

    What percentage of the vessel diameter does the tunica intima account for?

    <p>10%</p> Signup and view all the answers

    What type of tissue primarily makes up the tunica externa?

    <p>Connective tissue</p> Signup and view all the answers

    How many venous valves are typically found between the hand and axilla?

    <p>40</p> Signup and view all the answers

    What is the outermost layer of blood vessels called?

    <p>Tunica externa</p> Signup and view all the answers

    What aspect of vein insertion is highlighted as a key consideration in the video?

    <p>Advancing and pulling out the needle simultaneously.</p> Signup and view all the answers

    What is recommended to do with sharps immediately after use?

    <p>Dispose of them in a designated sharps container.</p> Signup and view all the answers

    What is the potential risk if the needle is not fully retracted into the barrel before disposal?

    <p>Needle-stick injury could occur.</p> Signup and view all the answers

    What should one ensure before advancing the catheter?

    <p>The catheter is properly primed.</p> Signup and view all the answers

    Which best describes the approach to working with the vein as mentioned in the video?

    <p>Creating a plan for vein selection and insertion.</p> Signup and view all the answers

    How is the packaging suggested to be used in vein insertion procedures?

    <p>To place equipment into for ease of access.</p> Signup and view all the answers

    What is NOT a recommended practice while handling needles during IV insertion?

    <p>Pulling the needle out simultaneously with the catheter without a firm grip.</p> Signup and view all the answers

    Documentation discussed in the video focuses on what aspect of the procedure?

    <p>The detailed steps taken during the IV insertion.</p> Signup and view all the answers

    What was the percentage of peripheral vascular access (PVA) placements that were unused in the pre-hospital setting?

    <p>46%</p> Signup and view all the answers

    What proportion of the unused PVAs were associated with patients having a lower case severity?

    <p>66%</p> Signup and view all the answers

    During the study period, what percentage of patients had a PVA inserted?

    <p>26%</p> Signup and view all the answers

    Approximately how many patients had a PVA placed over the 12-month study period?

    <p>4000 patients</p> Signup and view all the answers

    What does the study suggest about the expectation of EMS personnel regarding catheter use by hospital staff?

    <p>Hospital personnel can place catheters under better conditions.</p> Signup and view all the answers

    What was the case severity score threshold that indicated lower case severity in the study?

    <p>&lt; 4</p> Signup and view all the answers

    What is a possible reason for the high percentage of unused peripheral vascular access?

    <p>Patients were transferred before hospital arrival.</p> Signup and view all the answers

    Which statement best summarizes the findings related to the placement of PVAs?

    <p>A significant portion of PVAs placed were not used.</p> Signup and view all the answers

    Which site is the most appropriate for locating a venepuncture for IV insertion?

    <p>Antecubital fossa</p> Signup and view all the answers

    What characteristics must a suitable vein have for IV cannulation?

    <p>It should be engorged and elastic</p> Signup and view all the answers

    Why is it important to select veins that are proximal to previous IV sites?

    <p>To prevent complications from previous attempts</p> Signup and view all the answers

    Which of the following veins is NOT ideal for IV cannulation?

    <p>Veins that are hard and bumpy</p> Signup and view all the answers

    What is the best strategy when selecting a vein for IV cannulation?

    <p>Aim for the most distal part of the limb and work proximally</p> Signup and view all the answers

    Which statement about vein characteristics is true for IV cannulation?

    <p>Veins should be supported by elastic skin for better stability</p> Signup and view all the answers

    What type of veins should be avoided for IV cannulation?

    <p>Veins that are flat and hard</p> Signup and view all the answers

    Which condition is important for veins selected for IV cannulation?

    <p>They should not have any visible valves</p> Signup and view all the answers

    What can lead to the introduction of skin flora into the system during cannulation?

    <p>Improper site swabbing and preparation</p> Signup and view all the answers

    Which of the following is a method to prevent infection in medical procedures?

    <p>Using in-date sterile equipment</p> Signup and view all the answers

    What does inadequate flushing of an IV device contribute to?

    <p>Increased risk of bacterial colonization</p> Signup and view all the answers

    Which factor is crucial for preventing contamination of the catheter hub?

    <p>Aseptic technique during handling</p> Signup and view all the answers

    What practice should be followed when handling infusates to avoid infection?

    <p>Checking for clarity and expiry</p> Signup and view all the answers

    What is essential during cannulation preparation according to best practices?

    <p>Constant awareness of equipment use</p> Signup and view all the answers

    What does the term 'non-touch technique' refer to in infection prevention?

    <p>Post-swab technique minimizing contact</p> Signup and view all the answers

    What role do paramedics play in the context of hospital-acquired infections?

    <p>They can both improve and worsen infection management.</p> Signup and view all the answers

    What is a major risk associated with contamination of an infusate?

    <p>Increased potential for infection</p> Signup and view all the answers

    What is emphasized as crucial to developing a good cannulation technique?

    <p>Preparation of the cannulation area</p> Signup and view all the answers

    Study Notes

    Introduction to IV Cannulation

    • IV cannulation is a core skill for paramedics.
    • It involves inserting a catheter into a vein to deliver fluids and medications directly into the bloodstream.
    • The introductory material covers the theory and background information required before practicing IV cannulation.
    • Successful completion of a summative assessment allows for supervised practice.

    Study Goals

    • Describe the anatomy and physiology of blood vessels, including the three layers and function of each layer.
    • Understand the structure and function of veins, how they differ from arteries and venous valves, and the location and function of nerves in the peripheral limbs, especially the arms and hands.
    • Understand the crucial role of infection control, emphasizing asepsis and hand hygiene, for safe IV practice.
    • Identify the importance and indications of IV cannulation, especially for specific populations like the elderly or children.
    • Know and apply safe practices for selecting and accessing veins in different scenarios and locations, avoiding compromised areas.
    • Be familiar with potential risks and complications like needle-stick injuries or thrombosis

    Anatomy and Physiology Review

    • Blood vessels, like veins and arteries, are composed of three layers ('tunica').
    • The outermost layer is the tunica externa, which supports the vessel.
    • The middle layer (tunica media) contains smooth muscle for blood vessel contraction or relaxation.
    • The innermost layer, tunica intima, is a thin layer that lines the vessel lumen.
    • Veins contain one-way valves to prevent backflow of blood.

    Infection Control

    • IV cannulation breaches the skin's protective barrier and carries a risk of infection.
    • Maintaining strict infection control protocols during and before insertion is vital.
    • Aseptic technique is mandatory during preparation, procedure, and post-procedure.

    Vein Selection

    • Proper vein selection is essential to success.
    • Ideal veins are soft, straight, elastic, easily palpated and stabilized.
    • The antecubital fossa is the most common location, but other suitable veins exist up the arm.
    • Veins used before need to be considered, and areas like mastectomies/CVA hemiparesis, AV fistulas, or lower extremities require caution.

    Preparing the Patient

    • Patients must provide informed consent for procedures.
    • Prior to cannulation, consider the patient's circumstances and position to reduce anxiety and increase the chances of success.
    • Proper positioning, preparation, and communication are essential.

    Cannulation Technique and Safety

    • Detailed cannulation techniques have been covered in available videos.
    • Safety precautions outlined by the text include sharps disposal and maintaining appropriate care standards throughout.
    • Comprehensive documentation of each cannulation procedure is required for quality assurance.

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    Description

    This quiz covers the fundamental concepts of IV cannulation, a vital skill for paramedics. It includes the anatomy of blood vessels, infection control practices, and the specific needs of different populations. Successfully completing this assessment prepares you for supervised practice in IV cannulation.

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