[Idiopathic hypertrophic subvalvular stenosis].
D002312:Cardiomyopathy, Hypertrophic / Q000175:diagnosis* / Q000503:physiopathology / Q000601:surgery; D004452:Echocardiography; D006439:Hemodynamics; D006801:Humans; D008722:Methods; D008943:Mitral Valve / Q000601:surgery