Rozszczep zastawki mitralnej

A rare, congenital, non-syndromic heart malformation characterized by a slit-like hole or defect in one of the mitral valve leaflets, which is usually thickened and distorted. It usually affects the anterior leaflet, but the cleft of posterior leaflet has also been described. Cleft mitral valve can be isolated or associated with other congenital heart anomalies.