Mitral regurgitation in idiopathic hypertrophic subaortic stenosis.
D000792:Angiography; D006328:Cardiac Catheterization; D002312:Cardiomyopathy, Hypertrophic / Q000175:diagnosis*; D006801:Humans; D008943:Mitral Valve / Q000000981:diagnostic imaging; D008944:Mitral Valve Insufficiency / Q000175:diagnosis*