New technique for angiographic visualization of membraneous subaortic stenosis.
D000293:Adolescent; D000328:Adult; D000790:Angiocardiography; D006328:Cardiac Catheterization; D002312:Cardiomyopathy, Hypertrophic / Q000000981:diagnostic imaging*; D002648:Child; D002932:Cineangiography; D005260:Female; D006352:Heart Ventricles; D006801:Humans; D008297:Male; D008722:Methods