The influence of left ventricular filling on postextrasystolic potentiation in the dog heart.
D000818:Animals; D005117:Cardiac Complexes, Premature / Q000503:physiopathology*; D004285:Dogs; D006352:Heart Ventricles / Q000503:physiopathology; D006439:Hemodynamics; D009200:Myocardial Contraction; D013318:Stroke Volume; D013997:Time Factors