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Mitral Stenosis Murmur — RACP Paediatrics MCQ

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ModerateCardiologyMitral Stenosis MurmurRACP Paediatrics

A 10-year-old child with rheumatic heart disease has mitral stenosis with a resting gradient of 12 mmHg across the mitral valve. She has dyspnoea on exertion. What is the murmur associated with mitral stenosis?

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Correct answer: C — Low-pitched mid-diastolic rumble at the apex with presystolic accentuation

Mitral stenosis produces a low-pitched mid-diastolic rumble best heard at the apex with the patient in the left lateral decubitus position, with presystolic accentuation (if in sinus rhythm). An opening snap may precede the murmur. Rheumatic heart disease is the most common cause of mitral stenosis in children globally.

Reference: RCH Melbourne – 2024 – Clinical Practice Guidelines: Rheumatic Heart Disease