title: The electrophysiologic manifestations of abnormal automatic activity arising in depolarized foci.
mesh_terms: D000818:Animals; D001145:Arrhythmias, Cardiac / Q000503:physiopathology*; D004285:Dogs; D006329:Heart Conduction System / Q000503:physiopathology*; D006352:Heart Ventricles / Q000503:physiopathology; D008564:Membrane Potentials; D009200:Myocardial Contraction; D011690:Purkinje Fibers / Q000503:physiopathology