title: Recognizing and treating muscular subaortic stenosis.
mesh_terms: D000368:Aged; D000680:Amyl Nitrite; D000792:Angiography; D001021:Aortic Valve; D001794:Blood Pressure / Q000187:drug effects; D006328:Cardiac Catheterization; D006332:Cardiomegaly / Q000000981:diagnostic imaging; D002312:Cardiomyopathy, Hypertrophic / Q000150:complications / Q000175:diagnosis* / Q000000981:diagnostic imaging / Q000188:drug therapy; D004562:Electrocardiography; D005260:Female; D005500:Follow-Up Studies; D006326:Heart Auscultation; D006352:Heart Ventricles / Q000000981:diagnostic imaging; D006801:Humans; D006973:Hypertension / Q000150:complications; D008297:Male; D008875:Middle Aged; D010646:Phentolamine; D010701:Phonocardiography; D011433:Propranolol / Q000627:therapeutic use*; D014636:Valsalva Maneuver
chemical_list: D000680:Amyl Nitrite; D011433:Propranolol; D010646:Phentolamine