title: Depolarization and action potential duration in cardiac Purkinje fibers.
mesh_terms: D000200:Action Potentials; D000669:Amplifiers, Electronic; D000818:Animals; D004285:Dogs; D004558:Electric Stimulation / Q000295:instrumentation; D006329:Heart Conduction System / Q000502:physiology*; D008564:Membrane Potentials; D008839:Microelectrodes; D009991:Oscillometry; D011188:Potassium; D012756:Sheep; D013997:Time Factors
chemical_list: D011188:Potassium