title: Beat-to-beat and minute-to-minute variation of cardiac function in abnormal hearts.
mesh_terms: D000328:Adult; D000368:Aged; D000787:Angina Pectoris / Q000175:diagnosis / Q000503:physiopathology; D001450:Ballistocardiography; D006321:Heart / Q000503:physiopathology*; D006330:Heart Defects, Congenital / Q000175:diagnosis / Q000503:physiopathology; D006331:Heart Diseases / Q000175:diagnosis / Q000503:physiopathology*; D006801:Humans; D008875:Middle Aged; D009203:Myocardial Infarction / Q000175:diagnosis / Q000503:physiopathology; D013997:Time Factors