Idiopathic ventricular septal hypertrophy causing muscular subaortic stenosis.
D001024:Aortic Valve Stenosis / Q000209:etiology*; D006332:Cardiomegaly / Q000150:complications*; D003251:Constriction, Pathologic; D004562:Electrocardiography; D006801:Humans; D006984:Hypertrophy
AORTIC STENOSIS/etiology; ELECTROCARDIOGRAPHY; HEART ENLARGEMENT/complications