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reference materials

Pediatric Mitral Valve Prolapse

key information

source: Medscape

year: 2017

authors: Poothirikovil Venugopalan


Mitral valve prolapse (MVP), the most common anomaly of the mitral valve apparatus, occurs when one or both mitral valve leaflets excessively billows into the left atrium toward the end of systole. Mitral regurgitation (MR) develops in some patients with mitral valve prolapse, particularly those with more significant prolapse, when the valve edges fail to coapt. An extreme form of prolapse could include chordal rupture, in which the prolapsed mitral valve is flail. Mitral valves excised from patients with severe MR secondary to mitral valve prolapse have large leaflets and various histologic alterations.

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