[Proceedings: 212. Evaluation of factors shortening the duration of premature contraction action potential of the Purkinje fibers by membrane voltage clamping].
D000200:Action Potentials; D000818:Animals; D004285:Dogs; D004558:Electric Stimulation; D006329:Heart Conduction System / Q000502:physiology*; D066298:In Vitro Techniques; D008564:Membrane Potentials; D013997:Time Factors