CCRN Hemodynamic Monitoring 2

Question 1

A patient's pulmonary capillary wedge pressure (PCWP) is 4 mmHg with a CVP of 2 mmHg and tachycardia. What does this most likely indicate?

Accepted Answer

Hypovolemia

Answer

Left ventricular failure

Answer

Cardiac tamponade

Answer

Pulmonary hypertension

Question 2

Which waveform component on a central venous pressure (CVP) tracing corresponds to atrial contraction?

Accepted Answer

a wave

Answer

c wave

Answer

x descent

Answer

v wave

Question 3

To obtain accurate hemodynamic readings, where should the air-fluid interface (transducer) be leveled?

Accepted Answer

Phlebostatic axis

Answer

Sternal notch

Answer

Xiphoid process

Answer

Midclavicular line

Question 4

A large v wave on the PCWP tracing is most characteristic of which condition?

Accepted Answer

Acute mitral regurgitation

Answer

Tricuspid stenosis

Answer

Hypovolemia

Answer

Aortic stenosis

Question 5

Normal mixed venous oxygen saturation (SvO2) measured from the distal port of a PA catheter is approximately:

Accepted Answer

60-80%

Answer

30-45%

Answer

85-95%

Answer

45-55%

Question 6

When should the pulmonary artery occlusion (wedge) pressure be read during the respiratory cycle?

Accepted Answer

End-expiration

Answer

Peak inspiration

Answer

Mid-inspiration

Answer

During a cough

Question 7

A patient develops a sudden dampened arterial line waveform with a falsely low blood pressure. The FIRST action is to:

Accepted Answer

Check for kinks, air, or clot and verify the system

Answer

Administer a fluid bolus

Answer

Start a vasopressor

Answer

Remove the catheter immediately