USMLE Step 1 - Question 27

A 59 year old male with congestive heart failure has noted increased dyspnea on exertion. Swan-Ganz catheterization reveals the following (pressures in mmHg):

Right atrium - 22

Right ventricle – 44/20

Pulmonary artery – 49/24

Pulmonary capillary wedge pressure – 23

Cardiac index – 2.6 L/min/BSA2 (normal 2.4-4.4 L/min/BSA2)

Administration of which of the following will likely improve his symptoms?

A. Furosemide

B. Carvedilol

C. Lisinopril

D. Intravenous fluids