title: Familial syndrome of midsystolic click and late systolic murmur.
mesh_terms: D000293:Adolescent; D000328:Adult; D000680:Amyl Nitrite / Q000494:pharmacology; D001794:Blood Pressure; D004562:Electrocardiography; D005260:Female; D006321:Heart / Q000000981:diagnostic imaging / Q000187:drug effects; D006326:Heart Auscultation; D006801:Humans; D008297:Male; D008382:Marfan Syndrome; D008875:Middle Aged; D008944:Mitral Valve Insufficiency / Q000235:genetics*; D010701:Phonocardiography; D011187:Posture; D011674:Pulse; D011859:Radiography; D013577:Syndrome
chemical_list: D000680:Amyl Nitrite