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Questions and Answers
Which of the following is NOT a positive deflection of the CVP waveform?
Which of the following is NOT a positive deflection of the CVP waveform?
- v wave
- c wave
- y descent (correct)
- a wave
What is the normal range of CVP?
What is the normal range of CVP?
- 10-15 mm Hg
- 0-10 mm Hg (correct)
- 0-5 mm Hg
- 5-10 mm Hg
What is the ideal catheter position for CVP measurement?
What is the ideal catheter position for CVP measurement?
- cavoatrial junction (correct)
- brachial vein
- pulmonary vein
- femoral vein
What does the CVP waveform consist of?
What does the CVP waveform consist of?
What does the a wave of the CVP waveform represent?
What does the a wave of the CVP waveform represent?
What does the x descent of the CVP waveform represent?
What does the x descent of the CVP waveform represent?
What is the normal range of CVP?
What is the normal range of CVP?
What is the purpose of CVP measurement?
What is the purpose of CVP measurement?
What is the ideal location for catheter placement for CVP measurement?
What is the ideal location for catheter placement for CVP measurement?
What converts dynamic blood flow into an electrical impulse in CVP measurement?
What converts dynamic blood flow into an electrical impulse in CVP measurement?
What does the y descent of the CVP waveform represent?
What does the y descent of the CVP waveform represent?
What is the purpose of measuring the CVP waveform?
What is the purpose of measuring the CVP waveform?
What is the most common site for CVP measurement?
What is the most common site for CVP measurement?
Which vein(s) can be cannulated to measure CVP?
Which vein(s) can be cannulated to measure CVP?
What does the CVP waveform consist of?
What does the CVP waveform consist of?
What does the x descent of the CVP waveform represent?
What does the x descent of the CVP waveform represent?
What does the y descent of the CVP waveform represent?
What does the y descent of the CVP waveform represent?
What is the normal range of CVP?
What is the normal range of CVP?
What is the function of the catheter connected to the pressurized, fluid-filled system in CVP measurement?
What is the function of the catheter connected to the pressurized, fluid-filled system in CVP measurement?
What is the ideal location for catheter placement in CVP measurement?
What is the ideal location for catheter placement in CVP measurement?
What does the a wave of the CVP waveform represent?
What does the a wave of the CVP waveform represent?
What does the c wave of the CVP waveform represent?
What does the c wave of the CVP waveform represent?
What does the v wave of the CVP waveform represent?
What does the v wave of the CVP waveform represent?
What does the y descent of the CVP waveform represent?
What does the y descent of the CVP waveform represent?
What is the purpose of measuring CVP?
What is the purpose of measuring CVP?
Flashcards
What is the y descent?
What is the y descent?
A negative slope in the CVP waveform.
Normal CVP range
Normal CVP range
Typically 0-10 mm Hg.
Ideal CVP catheter position?
Ideal CVP catheter position?
The junction where the vena cava meets the right atrium.
CVP waveform components
CVP waveform components
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What does the 'a' wave represent?
What does the 'a' wave represent?
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What does the x descent represent?
What does the x descent represent?
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CVP measurement purpose
CVP measurement purpose
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Function of fluid-filled system
Function of fluid-filled system
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What does the 'y' descent represent?
What does the 'y' descent represent?
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Purpose of measuring CVP waveform
Purpose of measuring CVP waveform
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Most common CVP measurement site
Most common CVP measurement site
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What does the 'c' wave represent?
What does the 'c' wave represent?
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What does the 'v' wave represent?
What does the 'v' wave represent?
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Study Notes
CVP Waveform
- The CVP waveform consists of a, c, and v waves, as well as x and y descents.
Waves of the CVP Waveform
- The a wave represents atrial contraction.
- The c wave represents ventricular contraction.
- The v wave represents ventricular filling.
Descents of the CVP Waveform
- The x descent represents the decrease in CVP during atrial relaxation.
- The y descent represents the decrease in CVP during ventricular diastole.
CVP Measurement
- The normal range of CVP is 2-8 mmHg.
- The ideal catheter position for CVP measurement is at the right atrial-superior vena cava junction.
- The purpose of CVP measurement is to assess cardiovascular function and guide fluid management.
- The ideal location for catheter placement is in the superior vena cava or right atrium.
- The most common site for CVP measurement is the internal jugular vein or subclavian vein.
Equipment Used in CVP Measurement
- A catheter connected to a pressurized, fluid-filled system converts dynamic blood flow into an electrical impulse.
- The catheter is inserted into a vein, usually the internal jugular or subclavian vein, to measure CVP.
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