Echocardiographic findings in discrete subvalvular aortic stenosis.
D000293:Adolescent; D000790:Angiocardiography; D000792:Angiography; D006328:Cardiac Catheterization; D002312:Cardiomyopathy, Hypertrophic / Q000175:diagnosis* / Q000601:surgery; D004452:Echocardiography; D006801:Humans; D008297:Male; D008875:Middle Aged; D014463:Ultrasonography