Idiopathic hypertrophic subaortic stenosis.
D000293:Adolescent; D000328:Adult; D000790:Angiocardiography; D001024:Aortic Valve Stenosis / Q000151:congenital / Q000000981:diagnostic imaging*; D002312:Cardiomyopathy, Hypertrophic / Q000000981:diagnostic imaging*; D002648:Child; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged