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Clinical introduction
A quadragenarian patient presented with functional class II dyspnoea for 6 months. Clinical examination revealed cardiomegaly, left ventricular S3 with 4/6 systolic murmur at cardiac apex, radiating towards the base of the heart. The mitral inflow continuous Doppler and lateral mitral annular tissue Doppler imaging are shown in figure 1A,B.
Question
What is the most likely aetiology of the patient’s murmur?
Rheumatic mitral valve disease,
Systolic anterior motion of anterior mitral leaflet,
Myxomatous mitral valve disease with mitral valve prolapse,
Mitral leaflet perforation due to infective endocarditis
Answer: C
The patient had normal left ventricular function with a thickened myxomatous mitral valve with mitral annular disjunction (figure 2A,B …
Footnotes
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Contributors SM (conceptualisation: lead; formal analysis: lead; writing—original draft: lead; writing—review and editing: equal); VG (writing—review and editing: equal); SB (writing—review and editing: equal).
Funding The authors have not declared a specific grant for this research from any funding agency in the public, commercial or not-for-profit sectors.
Competing interests None declared.
Provenance and peer review Not commissioned; internally peer reviewed.
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