title: Postextrasystolic potentiation in echocardiographic evaluation of heart function.
mesh_terms: D000328:Adult; D000368:Aged; D005117:Cardiac Complexes, Premature / Q000503:physiopathology*; D003327:Coronary Disease / Q000175:diagnosis* / Q000503:physiopathology*; D004452:Echocardiography; D005260:Female; D006334:Heart Function Tests; D006339:Heart Rate; D006801:Humans; D008297:Male; D008875:Middle Aged; D009200:Myocardial Contraction; D013318:Stroke Volume