Concealed conduction.
D000200:Action Potentials; D000818:Animals; D001145:Arrhythmias, Cardiac / Q000209:etiology*; D004562:Electrocardiography; D006327:Heart Block / Q000209:etiology; D006329:Heart Conduction System / Q000503:physiopathology*; D006339:Heart Rate; D006801:Humans; D008564:Membrane Potentials; D008839:Microelectrodes; D011817:Rabbits