[Apexcardiogram].
D000328:Adult; D000368:Aged; D005260:Female; D006321:Heart / Q000503:physiopathology; D006801:Humans; D007702:Kinetocardiography; D008297:Male; D008875:Middle Aged; D008944:Mitral Valve Insufficiency / Q000175:diagnosis; D008946:Mitral Valve Stenosis / Q000175:diagnosis; D009203:Myocardial Infarction / Q000175:diagnosis