[Electrophysiologic examination of the heart].
D000818:Animals; D004562:Electrocardiography / Q000379:methods; D004594:Electrophysiology / Q000379:methods*; D006321:Heart / Q000502:physiology*; D006801:Humans; D008564:Membrane Potentials; D008991:Monitoring, Physiologic; D009206:Myocardium / Q000166:cytology