Progressive congenital valvular aortic stenosis.
D001024:Aortic Valve Stenosis / Q000151:congenital* / Q000188:drug therapy; D006328:Cardiac Catheterization; D002648:Child; D004562:Electrocardiography; D005500:Follow-Up Studies; D006326:Heart Auscultation; D006801:Humans; D008297:Male; D008614:Meperidine / Q000008:administration & dosage; D012631:Secobarbital / Q000008:administration & dosage
D012631:Secobarbital; D008614:Meperidine