title: Echocardiographic features of combined hypertrophic and membranous subvalvular aortic stenosis: a case report.
abstract: Combined hypertrophic and membranous subvalvular aortic stenosis was detected by echocardiography. The diagnosis was established by the discovery of severe asymmetric septal hypertrophy, a membrane in the left ventricular outflow tract, narrowing of the left ventricular outflow tract, as well as high frequency fluttering and premature systolic closure of the aortic valve leaflets.
mesh_terms: D001020:Aortic Stenosis, Subvalvular / Q000175:diagnosis*; D002312:Cardiomyopathy, Hypertrophic / Q000175:diagnosis*; D002648:Child; D004452:Echocardiography; D006801:Humans; D008297:Male