[Electrical activity of the cardiac muscle].
D000200:Action Potentials; D003326:Coronary Circulation; D004562:Electrocardiography; D006321:Heart / Q000033:anatomy & histology / Q000502:physiology*; D006329:Heart Conduction System / Q000502:physiology*; D006801:Humans; D008564:Membrane Potentials; D008955:Models, Cardiovascular; D009200:Myocardial Contraction; D009206:Myocardium / Q000166:cytology