CSC Hemodynamic Monitoring & Assessment 2

Question 1

Cardiac index is calculated by dividing cardiac output by:

Accepted Answer

Body surface area

Answer

Heart rate

Answer

Stroke volume

Answer

Mean arterial pressure

Question 2

Which condition is most likely when pulmonary artery diastolic pressure significantly exceeds PCWP?

Accepted Answer

Pulmonary hypertension

Answer

Left ventricular failure

Answer

Mitral stenosis

Answer

Aortic regurgitation

Question 3

Mixed venous oxygen saturation (SvO₂) measured via pulmonary artery catheter normally ranges from:

Accepted Answer

60–75%

Answer

30–40%

Answer

50–55%

Answer

85–95%

Question 4

A patient has CO 2.5 L/min, HR 110 bpm. What is the stroke volume?

Accepted Answer

23 mL

Answer

17 mL

Answer

275 mL

Answer

44 mL

Question 5

Which non-invasive technique uses changes in thoracic electrical impedance to estimate cardiac output?

Accepted Answer

Impedance cardiography

Answer

Thermodilution

Answer

Pulse oximetry

Answer

Echocardiographic Doppler

Question 6

Afterload is best represented clinically by:

Accepted Answer

Systemic vascular resistance (SVR)

Answer

Preload (PCWP)

Answer

Stroke volume

Answer

Central venous pressure

Question 7

Elevated PCWP with normal CO and normal SVR is most consistent with:

Accepted Answer

Diastolic dysfunction / isolated LV filling abnormality

Answer

Hypovolemic shock

Answer

Distributive shock

Answer

Right ventricular infarction