Idiopathic hypertrophic subaortic stenosis.
D000328:Adult; D002312:Cardiomyopathy, Hypertrophic / Q000175:diagnosis*; D003327:Coronary Disease / Q000175:diagnosis*; D003937:Diagnosis, Differential; D006349:Heart Valve Diseases / Q000175:diagnosis*; D006801:Humans; D008297:Male