A 68-Year-Old Man Arrives at the Clinic After Experiencing Several

A 68-year-old man arrives at the clinic after experiencing several weeks of progressive exertional dyspnea and lower extremity edema. Medical history is important for non-Hodgkin lymphoma, which is in remission after 8 years of chemotherapy. The blood pressure is 126/76 mm Hg, and the pulse rate is 88 bpm. Physical examination reveals bilateral lower extremity edema and bibasilar lung crackles. Echocardiography reveals biventricular dilation and a 35% left ventricular ejection fraction. A stress myocardial perfusion scan ruled out inducible ischemia. After initial stabilization, long-term use of which of the following medications will most likely improve survival in this patient?

A) Amiodarone
B) Amlodipine
C) Carvedilol
D) Digoxin
E) Diltiazem
F) Flecainide
G) Furosemide