The problem of mitral insufficiency caused by accessory chordae tendineae in persistent common atrioventricular canal.
D002815:Chordae Tendineae; D004194:Disease; D004694:Endocardial Cushion Defects; D006330:Heart Defects, Congenital / Q000150:complications*; D006331:Heart Diseases; D006349:Heart Valve Diseases; D006801:Humans; D008943:Mitral Valve; D008944:Mitral Valve Insufficiency; D012214:Rheumatic Heart Disease
HEART DEFECTS, CONGENITAL/complications; MITRAL VALVE/diseases