An Echocardiographic Study of a Rare Cause of Mitral Regurgitation: Hypoplastic Posterior Mitral Valve Leaflet

Hypoplastic PMVL is a rare but significant anomaly that causes MR. While it can coexist with numerous congenital conditions, the most frequent associations include BAV and, secondly, ASD. Severe MR is particularly observed in cases accompanied by dilated mitral annulus, AML prolapse, and muscular formation.