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General Medicine · Cardiology: aortic stenosis
Sample itemAn older adult has exertional syncope, angina, and a harsh ejection systolic murmur radiating to the carotids. Which valve lesion is most likely?
Original practice item, not a recalled exam question. Nothing here is recorded.
The answer and the reasoning
C. Aortic stenosis
Severe aortic stenosis classically presents with exertional dyspnea, angina, or syncope and a crescendo-decrescendo systolic murmur radiating to the carotids. Symptoms indicate clinically significant outflow obstruction.
Option by option
A. Aortic regurgitation
Aortic regurgitation produces an early diastolic decrescendo murmur and wide pulse pressure.
B. Tricuspid stenosis
Tricuspid stenosis is a rare right-sided diastolic lesion.
C. Aortic stenosis (correct)
Correct. The carotid-radiating ejection murmur with the symptom triad is characteristic.
D. Mitral regurgitation
Mitral regurgitation produces a pansystolic apical murmur radiating to the axilla.
Source note: Original NextPrep sample item — pending expert review. This item is original practice material awaiting independent expert review, so confirm important facts in a standard textbook.
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