title: Validity and limitations of echocardiography for the diagnosis of discrete subaortic stenosis associated with marked left ventricular muscular hypertrophy.
mesh_terms: D000293:Adolescent; D000328:Adult; D001024:Aortic Valve Stenosis / Q000150:complications / Q000175:diagnosis*; D006332:Cardiomegaly / Q000150:complications / Q000175:diagnosis; D002312:Cardiomyopathy, Hypertrophic / Q000175:diagnosis*; D003937:Diagnosis, Differential; D004452:Echocardiography; D005260:Female; D006801:Humans