The familial occurrence of the syndrome of mid-late systolic click and late systolic murmur.
D000328:Adult; D000900:Anti-Bacterial Agents / Q000627:therapeutic use; D001145:Arrhythmias, Cardiac / Q000209:etiology; D003645:Death, Sudden; D004562:Electrocardiography; D004696:Endocarditis / Q000517:prevention & control; D005260:Female; D006326:Heart Auscultation; D006801:Humans; D008297:Male; D008944:Mitral Valve Insufficiency / Q000235:genetics*; D010375:Pedigree; D010701:Phonocardiography
D000900:Anti-Bacterial Agents