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Aortic stenosis — USMLE Step 3 MCQ

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HardInternal Medicine (chronic management)Aortic stenosisUSMLE Step 3

A 78-year-old man has exertional syncope and dyspnea. Examination shows a late-peaking systolic ejection murmur at the right upper sternal border radiating to the carotids and diminished carotid upstroke. Which of the following is the most likely diagnosis?

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Correct answer: ASevere aortic stenosis

Exertional symptoms with a late-peaking carotid-radiating systolic murmur and delayed upstroke suggest severe aortic stenosis.

Reference: 2020 ACC/AHA Valvular Heart Disease Guideline