Cardiovascular Drugs USMLE Step 1 Practice Question
A 59-year-old man with a history of hypertension and stable angina presents to clinic for medication adjustment. His current antihypertensive regimen includes lisinopril and hydrochlorothiazide, but his blood pressure remains at 138/88 mmHg and he continues to experience anginal episodes with exertion. Physical examination reveals BP 138/88 mmHg, HR 68 bpm, regular rhythm, no peripheral edema, and normal neurologic examination. Troponin is negative and ECG shows no acute ischemic changes. A calcium channel blocker is added to his regimen. One week later, the patient reports severe constipation that has required daily use of over-the-counter laxatives, but denies headaches, ankle swelling, or syncope. Which of the following calcium channel blockers was most likely prescribed?
Answer choices
- AAmlodipine
- BVerapamilCorrect answer
- CDiltiazem
- DNifedipine
- EFelodipine
- FIsradipine
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