title: Postextrasystolic potentiation and echocardiography: the effect of varying basic heart rate, extrasystolic coupling interval and postextrasystolic interval.
mesh_terms: D000818:Animals; D005117:Cardiac Complexes, Premature / Q000175:diagnosis* / Q000503:physiopathology; D004285:Dogs; D004452:Echocardiography; D006339:Heart Rate; D006346:Heart Septum / Q000503:physiopathology; D013318:Stroke Volume; D013997:Time Factors