title: Idiopathic hypertrophic subaortic stenosis in the elderly.
mesh_terms: D000293:Adolescent; D000328:Adult; D000367:Age Factors; D000368:Aged; D006328:Cardiac Catheterization; D002312:Cardiomyopathy, Hypertrophic / Q000175:diagnosis / Q000000981:diagnostic imaging / Q000453:epidemiology* / Q000503:physiopathology; D004562:Electrocardiography; D005260:Female; D006326:Heart Auscultation; D006334:Heart Function Tests; D006439:Hemodynamics; D006801:Humans; D008297:Male; D008404:Massachusetts; D008875:Middle Aged; D011859:Radiography