Valvular Heart Disease USMLE Step 1 Practice Question
A 27-year-old woman presents with intermittent palpitations and brief atypical chest pain. Vital signs: BP 118/76 mmHg, HR 88 bpm, RR 16/min, temp 37Ā°C, SpO2 98% on room air. Cardiac examination reveals a midsystolic click followed by a late systolic murmur that becomes louder upon standing from a squatting position. Chest radiograph shows no cardiomegaly. She denies orthopnea and leg edema. Which of the following is the most likely diagnosis?
Answer choices
- AAortic stenosis
- BMitral valve prolapseCorrect answer
- CHypertrophic cardiomyopathy
- DMitral stenosis
- ETricuspid regurgitation
- FAtrial septal defect
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