CIR CIR Hemodynamic Monitoring & Cardiac Catheterization

Question 1

What is the normal range for pulmonary capillary wedge pressure (PCWP) in a healthy adult?

Accepted Answer

2–12 mmHg

Answer

15–25 mmHg

Answer

25–35 mmHg

Answer

35–45 mmHg

Question 2

During right heart catheterization, which chamber is entered immediately after passing through the tricuspid valve?

Accepted Answer

Right ventricle

Answer

Left ventricle

Answer

Right atrium

Answer

Pulmonary artery

Question 3

Which hemodynamic parameter is calculated as mean arterial pressure minus right atrial pressure divided by cardiac output?

Accepted Answer

Systemic vascular resistance

Answer

Pulmonary vascular resistance

Answer

Cardiac index

Answer

Stroke volume index

Question 4

A cardiac output of 4.0 L/min with a BSA of 2.0 m² yields a cardiac index of:

Accepted Answer

2.0 L/min/m²

Answer

4.0 L/min/m²

Answer

8.0 L/min/m²

Answer

1.0 L/min/m²

Question 5

The Fick principle for calculating cardiac output requires measurement of:

Accepted Answer

Oxygen consumption and arteriovenous oxygen difference

Answer

Heart rate and stroke volume

Answer

Blood pressure and vascular resistance

Answer

Ejection fraction and end-diastolic volume

Question 6

Which waveform component of an arterial pressure tracing represents closure of the aortic valve?

Accepted Answer

Dicrotic notch

Answer

Anacrotic notch

Answer

Peak systolic pressure

Answer

End-diastolic pressure