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Questions and Answers
In the context of respiration, what is the term for normal breathing?
In the context of respiration, what is the term for normal breathing?
Which of the following best describes internal respiration?
Which of the following best describes internal respiration?
What condition is characterized by rapid, deep breathing?
What condition is characterized by rapid, deep breathing?
What is the range for a normal pulse pressure?
What is the range for a normal pulse pressure?
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If a blood pressure cuff is too narrow for the patient's arm, what is a likely consequence?
If a blood pressure cuff is too narrow for the patient's arm, what is a likely consequence?
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Why is the thumb not used to assess a pulse?
Why is the thumb not used to assess a pulse?
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Which pulse rate is classified as bradycardia in an adult?
Which pulse rate is classified as bradycardia in an adult?
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Besides the radial artery, which is another common site for pulse assessment?
Besides the radial artery, which is another common site for pulse assessment?
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Why should both carotid arteries not be pressed simultaneously?
Why should both carotid arteries not be pressed simultaneously?
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In which situation would the brachial or femoral artery be the most appropriate for pulse assessment?
In which situation would the brachial or femoral artery be the most appropriate for pulse assessment?
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When should a pulse be counted for a full minute instead of a shorter period?
When should a pulse be counted for a full minute instead of a shorter period?
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What is a 'water hammer' pulse indicative of?
What is a 'water hammer' pulse indicative of?
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What is the characteristic feature of a 'paradoxical pulse'?
What is the characteristic feature of a 'paradoxical pulse'?
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What is the recommended width of a blood pressure bladder for an adult limb?
What is the recommended width of a blood pressure bladder for an adult limb?
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What percentage of the limb circumference should the length of the bladder be when taking a blood pressure reading?
What percentage of the limb circumference should the length of the bladder be when taking a blood pressure reading?
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In what circumstance should a blood pressure reading NOT be taken from a patient's arm?
In what circumstance should a blood pressure reading NOT be taken from a patient's arm?
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How is diastolic blood pressure identified when using the auscultatory method?
How is diastolic blood pressure identified when using the auscultatory method?
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What is the typical infusion time for one unit of packed red blood cells (PRBCs)?
What is the typical infusion time for one unit of packed red blood cells (PRBCs)?
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Approximately how much can one unit of transfused packed red blood cells (PRBCs) be expected to raise a patient’s hemoglobin level?
Approximately how much can one unit of transfused packed red blood cells (PRBCs) be expected to raise a patient’s hemoglobin level?
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What is the recommended storage temperature for fresh frozen plasma (FFP)?
What is the recommended storage temperature for fresh frozen plasma (FFP)?
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Which blood product does NOT require cross-matching before administration?
Which blood product does NOT require cross-matching before administration?
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In which of the following patient conditions should blood salvage NOT be considered?
In which of the following patient conditions should blood salvage NOT be considered?
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How soon after the start of blood transfusion is a blood donation from the patient acceptable, according to the content?
How soon after the start of blood transfusion is a blood donation from the patient acceptable, according to the content?
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What is the most appropriate size of cannula (gauge) used to administer a blood transfusion?
What is the most appropriate size of cannula (gauge) used to administer a blood transfusion?
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Which intravenous solution is the ONLY one that can be administered alongside or mixed with blood products?
Which intravenous solution is the ONLY one that can be administered alongside or mixed with blood products?
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How soon after receiving blood from the blood bank should that blood be administered? (according to the text)
How soon after receiving blood from the blood bank should that blood be administered? (according to the text)
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What is the priority nursing action during a suspected immediate transfusion reaction?
What is the priority nursing action during a suspected immediate transfusion reaction?
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When should vital signs be monitored initially during a blood transfusion?
When should vital signs be monitored initially during a blood transfusion?
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Which sign is NOT associated with circulatory overload from blood transfusions, according to the document?
Which sign is NOT associated with circulatory overload from blood transfusions, according to the document?
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Flashcards
What is a pulse?
What is a pulse?
The expansion and recoil of an artery caused by the wave of blood pushed by the left ventricle's contraction.
What is the normal pulse rate for adults?
What is the normal pulse rate for adults?
The normal range of heartbeats per minute for an adult is between 60 and 100 beats per minute.
What is tachycardia?
What is tachycardia?
A pulse rate faster than 100 beats per minute.
What is bradycardia?
What is bradycardia?
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What is a bounding pulse?
What is a bounding pulse?
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What is a weak or thready pulse?
What is a weak or thready pulse?
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What is a paradoxical pulse?
What is a paradoxical pulse?
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What is pulsus alternans?
What is pulsus alternans?
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Internal Respiration
Internal Respiration
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External Respiration
External Respiration
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Eupnea
Eupnea
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Tachypnea
Tachypnea
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Bradypnea
Bradypnea
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What is a blood transfusion?
What is a blood transfusion?
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What are Packed Red Blood Cells (PRBCs) used for?
What are Packed Red Blood Cells (PRBCs) used for?
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What are Platelets used for?
What are Platelets used for?
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What is Fresh Frozen Plasma (FFP) used for?
What is Fresh Frozen Plasma (FFP) used for?
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What is Cryoprecipitate and what is it used for?
What is Cryoprecipitate and what is it used for?
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What is autologous blood donation?
What is autologous blood donation?
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How are the systolic and diastolic blood pressures determined during an auscultatory measurement?
How are the systolic and diastolic blood pressures determined during an auscultatory measurement?
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What are the ideal width and length of a blood pressure bladder?
What are the ideal width and length of a blood pressure bladder?
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What is blood salvage?
What is blood salvage?
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What is a designated donor?
What is a designated donor?
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Why is an 18 gauge cannula used for blood transfusion?
Why is an 18 gauge cannula used for blood transfusion?
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What is the only solution compatible with blood transfusion?
What is the only solution compatible with blood transfusion?
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When should the blood transfusion set be changed?
When should the blood transfusion set be changed?
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What is the time limit for administering blood after receiving it from the blood bank?
What is the time limit for administering blood after receiving it from the blood bank?
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What is a transfusion reaction and what are the signs?
What is a transfusion reaction and what are the signs?
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What is circulatory overload and what are the signs?
What is circulatory overload and what are the signs?
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Study Notes
Pulse
- Pulse is the alternating expansion and recoil of an artery as blood flows through it during the contraction of the left ventricle.
- Pulse can be felt by the finger, not the thumb due to vessels in the thumb.
- Normal adult pulse rate is 60-100 beats per minute.
- Tachycardia is a heart rate over 100 bpm.
- Bradycardia is a heart rate under 60 bpm.
- Common pulse assessment sites include radial (most common), temporal, carotid, brachial, femoral, popliteal, dorsalis pedis, posterior tibial, and apical (5th intercostal space, left midclavicular line).
- Avoid pressing both carotid arteries simultaneously, as this can cause a drop in blood pressure.
- Cardiac and brachial/femoral arteries are used for assessing pulse in shock/cardiac arrest victims, especially in infants.
Abnormal Pulse Volumes
- Water hammer pulse (Corrigan's pulse/collapsing pulse) is a strong throbbing pulse, signifying aortic regurgitation.
- Bounding pulse is a strong throbbing pulse indicating increased cardiac output.
- Bigeminal pulse is an irregular pulse where alternating beats are weaker, often due to weak ventricular contractions.
- Weak wiry/thread pulse indicates decreased stroke volume, possibly from heart failure, heat exhaustion, or shock.
- Paradoxical pulse weakens on inhalation, usually due to heart conditions.
- Pulses alternans are regular, but the strength of the pulse alternates, meaning it is strong one beat and weak the next.
Respiration
- Normal respiration (eupnea) is the act of breathing, taking in oxygen and releasing carbon dioxide.
- Tachypnea/Polypnea is a respiratory rate over 24 breaths per minute.
- Bradypnea is a respiratory rate under 10 breaths per minute.
- Apnea is the cessation of breathing.
- Hyperpnea involves increased breathing depth.
- Orthopnea: breathing only in an upright position.
- Stertorous respiration is noisy breathing from secretions.
- Rales/Rhonchi are rattling sounds caused by mucus in the airways (e.g., bronchitis, pneumonia).
- Wheezing is a high-pitched whistling sound (e.g., asthma).
- Sighs are deep inhalations followed by prolonged exhalations.
- Air hunger is deep sighing respiration accompanied by shortness of breath.
- Cheyne-Stokes respiration is hyperpnea with periods of apnea.
- Kussmaul breathing is rapid, deep breathing.
Blood Pressure
- Blood pressure (BP) is the force of blood against artery walls.
- Systolic BP is the highest pressure during ventricular contraction.
- Diastolic BP is the lowest pressure during ventricular relaxation.
- Normal BP is 120/80 mmHg.
- Mean arterial pressure (MAP) is calculated as systolic pressure + 2 x diastolic pressure. A normal MAP is between 70-100 mmHg.
- Pulse pressure = systolic blood pressure - diastolic blood pressure; normal is approximately 40 mmHg.
- Cuff size should be 20% greater than the limb diameter, with bladder width at 40% of the circumference and length at 80%.
- Avoid taking BP on an arm with an IV, injury, fistula, mastectomy, or paralysis.
Blood Transfusion
- Blood transfusion is the transfer of donated blood into a patient through an IV line.
- Packed red blood cells (PRBCs) are used to treat anemia.
- Infusion time for one unit is 2-4 hours.
- Blood is usually stored for 35-42 days at 1-6°C.
- Platelets are used to treat thrombocytopenia and platelet dysfunction and stored at 22°C for 7 days.
- Cross-matching is usually done prior to transfusion, but is not always necessary.
- Infusion time should usually be 15-30 minutes, if cross-match is performed, however it can take longer depending on the needs of the patient.
- Fresh frozen plasma (FFP) provides clotting factors and volume. FFP is stored at -40°C for 1 year.
- Cryoprecipitate is used to replace clotting factors and is also stored at -40°C for 1 year.
- Administration should take 15-30 minutes.
Blood Transfusion Complications and Issues
- Transfusion reactions (e.g., chills, rash, cyanosis, dyspnea, chest pain, fever) are dangerous and necessitate immediate intervention (stop the transfusion).
- Circulatory overload can occur due to rapid blood infusion, characterized by symptoms like dyspnea, cough, and hypertension. Slowing the transfusion rate is crucial.
- Septicemia (blood poisoning) is possible with contaminated blood.
- Iron Overload is possible and may be treated with deferoxamine (chelation).
- Hypocalcemia: citrate in transfused blood binds calcium and it's excreted, thus it's important to monitor calcium levels before and after the blood transfusion.
- Hyperkalemia: assess pre- and post-transfusion potassium levels, especially with older blood (older blood is more likely to have undergone hemolysis, which releases K+).
- Disease transmission risks (hepatitis B/C, HIV) are considerations with blood transfusions.
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Description
This quiz covers the basics of pulse, focusing on its definition, normal rates, and key assessment sites. It also delves into abnormal pulse volumes such as water hammer and bounding pulses, highlighting their significance in medical conditions. Test your knowledge on identifying and understanding pulse characteristics and their implications.