title: [Both hypertrophy and atrophy contribute to the apex beat].
authors.affiliation: Japanese College of Cardiology (Nippon-Shinzobyo-Gakkai), Tokyo.
authors.forename: T
authors.initials: T
authors.lastname: Sakamoto
mesh_terms: D000328:Adult; D000368:Aged; D001284:Atrophy; D002312:Cardiomyopathy, Hypertrophic / Q000503:physiopathology*; D006801:Humans; D008875:Middle Aged; D009200:Myocardial Contraction; D009203:Myocardial Infarction / Q000473:pathology / Q000503:physiopathology; D009206:Myocardium / Q000473:pathology*; D010701:Phonocardiography