Congenital valvular aortic stenosis.
D000787:Angina Pectoris; D001024:Aortic Valve Stenosis / Q000151:congenital* / Q000601:surgery*; D006328:Cardiac Catheterization; D002648:Child; D004417:Dyspnea; D004562:Electrocardiography; D006439:Hemodynamics; D006801:Humans; D008297:Male