title: Effects of calcium on canine Purkinje fiber action potential duration in the presence of agents affecting potassium permeability.
mesh_terms: D000200:Action Potentials / Q000187:drug effects*; D000585:Aminacrine / Q000494:pharmacology; D000818:Animals; D002118:Calcium / Q000494:pharmacology*; D002463:Cell Membrane Permeability; D004285:Dogs; D004305:Dose-Response Relationship, Drug; D006329:Heart Conduction System / Q000187:drug effects*; D008012:Lidocaine / Q000494:pharmacology; D008564:Membrane Potentials; D011188:Potassium / Q000378:metabolism*; D011690:Purkinje Fibers / Q000187:drug effects*; D013997:Time Factors
chemical_list: D000585:Aminacrine; D008012:Lidocaine; D011188:Potassium; D002118:Calcium