A 68-year-old man has stable mild exertional angina. He underwent coronary artery bypass graft surgery 2 years ago. His heart rate is 60/min, blood pressure is 120/60mm Hg, and left ventricular function and hemoglobin are normal. He takes maximally tolerated doses of nitrates and β-blockers.
Which of the following medications would decrease the likelihood of a cardiovascular event in this patient?
A. Angiotensin-converting enzyme inhibitors
B. Angiotensin receptor blockers
D. Dihydropyridine calcium blockers
E. Calcium channel blockers