CCI Cardiac Pharmacology and Hemodynamic Monitoring 2

Question 1

Which invasive hemodynamic measurement is obtained by the thermodilution technique using a pulmonary artery (Swan-Ganz) catheter?

Accepted Answer

Cardiac output

Answer

Systemic arterial pressure

Answer

Left ventricular end-diastolic pressure

Answer

Coronary artery pressure gradient

Question 2

In the Fick method for cardiac output calculation, what three variables are required?

Accepted Answer

Oxygen consumption, arterial O₂ content, and mixed venous O₂ content

Answer

Heart rate, stroke volume, and PCWP

Answer

Systolic BP, diastolic BP, and heart rate

Answer

CVP, PCWP, and mean PAP

Question 3

Which pharmacologic agent is a phosphodiesterase-3 inhibitor used for short-term IV support in decompensated heart failure?

Accepted Answer

Milrinone

Answer

Digoxin

Answer

Dopamine

Answer

Vasopressin

Question 4

What is the primary indication for using adenosine during cardiac catheterization for fractional flow reserve (FFR) measurement?

Accepted Answer

To induce maximal coronary hyperemia for accurate pressure gradient measurement

Answer

To increase heart rate and detect wall motion abnormalities

Answer

To reverse the effect of heparin anticoagulation

Answer

To treat contrast-induced allergic reactions

Question 5

Which hemodynamic profile best describes cardiogenic shock?

Accepted Answer

High PCWP, high SVR, low cardiac output

Answer

Low PCWP, low SVR, high cardiac output

Answer

Normal PCWP, low SVR, low cardiac output

Answer

Low PCWP, high SVR, normal cardiac output

Question 6

What is the therapeutic target INR range for patients with mechanical heart valves requiring warfarin anticoagulation (mitral position)?

Accepted Answer

2.5–3.5

Answer

1.5–2.0

Answer

2.0–3.0

Answer

3.5–4.5