Asynchronous contraction due to late systolic bulging at left ventricular pacing sites.
D000818:Animals; D001145:Arrhythmias, Cardiac / Q000503:physiopathology*; D001794:Blood Pressure; D004285:Dogs; D006321:Heart / Q000502:physiology*; D006352:Heart Ventricles; D009119:Muscle Contraction; D009206:Myocardium