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Mitral valve prolapse — ABFM Board MCQ

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ModerateCardiovascularMitral valve prolapseABFM Board

A 29-year-old woman has intermittent palpitations. Examination reveals a midsystolic click followed by a late systolic murmur at the apex that becomes earlier with standing. Which of the following is the most likely diagnosis?

Educational content. Not a substitute for clinical judgement or local policy.

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Correct answer: C — Mitral valve prolapse

A midsystolic click with a late systolic murmur that changes with preload is characteristic of mitral valve prolapse.

Reference: American Family Physician clinical reviews and AAFP guidance: https://www.aafp.org/pubs/afp.html