Mitral valve prolapse syndrome.
D001145:Arrhythmias, Cardiac / Q000150:complications* / Q000175:diagnosis; D003645:Death, Sudden; D005260:Female; D006326:Heart Auscultation; D006337:Heart Murmurs; D006801:Humans; D008297:Male; D008875:Middle Aged; D008944:Mitral Valve Insufficiency / Q000150:complications* / Q000175:diagnosis; D013577:Syndrome