title: The older patient with idiopathic hypertrophic subaortic stenosis.
mesh_terms: D000328:Adult; D000368:Aged; D001020:Aortic Stenosis, Subvalvular / Q000175:diagnosis*; D002312:Cardiomyopathy, Hypertrophic / Q000175:diagnosis*; D004452:Echocardiography; D004562:Electrocardiography; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged