Idiopathic hypertrophic subaortic stenosis.
D000368:Aged; D001024:Aortic Valve Stenosis; D006332:Cardiomegaly; D002312:Cardiomyopathy, Hypertrophic; D024741:Cardiomyopathy, Hypertrophic, Familial; D003251:Constriction, Pathologic; D006801:Humans
AORTIC STENOSIS; HEART ENLARGEMENT