title: Inotropic effect of post-stimulation potentiation in man: an echocardiographic study.
mesh_terms: D000328:Adult; D002304:Cardiac Pacing, Artificial; D004452:Echocardiography; D006339:Heart Rate; D006801:Humans; D008875:Middle Aged; D009200:Myocardial Contraction; D013997:Time Factors; D016276:Ventricular Function