USMLE Step 1 - Question 19

An 82 year old male with a history of long standing atrial fibrillation and hypertension presents with increasing dyspnea on exertion. Chest x-ray shows a honeycoming pattern and pulmonary function testing shows a severe restrictive defect. Which of the following is likely causing his symptoms?

A. Congestive heart failure

B. amiodarone

C. ramipril

D. sotalol

E. diltiazem