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Mitral Valve Prolapse — RACP Paediatrics MCQ

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ModerateCardiologyMitral Valve ProlapseRACP Paediatrics

A child has a mid-systolic click followed by a late systolic murmur at the apex. The click moves earlier in systole with standing. What is the diagnosis?

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Correct answer: D — Mitral valve prolapse

Mitral valve prolapse produces a mid-systolic click (from sudden tensing of the chordae) followed by a late systolic murmur of mitral regurgitation. Standing and Valsalva move the click earlier. It is usually benign in children.

Reference: RCH Melbourne – 2024 – Clinical Practice Guidelines: Heart Murmurs