title: Hypertrophic cardiomyopathy: when do you diagnose midventricular obstruction versus apical cavity obliteration with a small nonobliterated area at the apex of the left ventricle?
authors.forename: E D
authors.initials: ED
authors.lastname: Wigle
authors.forename: H
authors.initials: H
authors.lastname: Rakowski
mesh_terms: D002312:Cardiomyopathy, Hypertrophic / Q000150:complications*; D006322:Heart Aneurysm / Q000175:diagnosis* / Q000209:etiology; D006352:Heart Ventricles / Q000473:pathology; D006801:Humans; D014694:Ventricular Outflow Obstruction / Q000175:diagnosis* / Q000209:etiology