A 62-year-old man with a history of myocardial infarction presents with worsening dyspnea and orthopnea. His chest X-ray shows pulmonary edema and cardiomegaly. His ejection fraction is 25%. Which medication is contraindicated in this patient?
Practise this USMLE Step 2 CK Medical Prep question free, then download the PDF, watch the video walkthrough, or unlock timed mock exams for the full web bank.
✓ Correct answer: D. Non-dihydropyridine calcium channel blockerNon-dihydropyridine calcium channel blockers (verapamil, diltiazem) are contraindicated in heart failure with reduced ejection fraction as they have negative inotropic effects that can worsen heart failure. Beta-blockers, ACE inhibitors, and aldosterone antagonists are all part of guideline-directed medical therapy for HFrEF.
Keep practising. Use the free USMLE Step 2 CK Medical Prep PDF, watch the YouTube walkthrough, or unlock all 10 web questions with timed mock exams.
Free practice here. Timed mocks when you are ready.
Study the USMLE Step 2 CK Medical Prep free question explanations, download the PDF, then unlock timed mock exams on the web when you want exam-day practice.