Prolapsing atrioventricular valve in partial atrioventricular defect.
D001283:Atrioventricular Node / Q000473:pathology*; D005260:Female; D006329:Heart Conduction System / Q000473:pathology*; D006344:Heart Septal Defects, Atrial / Q000473:pathology*; D006351:Heart Valves / Q000473:pathology*; D006801:Humans; D008875:Middle Aged; D011391:Prolapse