Confinement of premature impulses in functional compartments of regions of the A-V conducting system.
D000200:Action Potentials; D000818:Animals; D004285:Dogs; D004558:Electric Stimulation; D006329:Heart Conduction System / Q000502:physiology*; D066298:In Vitro Techniques; D008839:Microelectrodes; D009431:Neural Conduction; D013997:Time Factors