title: Interrelationships between external potassium concentration and lidocaine: effects on canine Purkinje fiber.
mesh_terms: D000200:Action Potentials / Q000187:drug effects; D000818:Animals; D004285:Dogs; D004594:Electrophysiology; D006321:Heart / Q000187:drug effects; D006329:Heart Conduction System / Q000187:drug effects*; D008012:Lidocaine / Q000494:pharmacology*; D008564:Membrane Potentials / Q000187:drug effects; D010477:Perfusion; D011188:Potassium / Q000097:blood / Q000378:metabolism / Q000494:pharmacology*; D011690:Purkinje Fibers / Q000187:drug effects*; D013268:Stimulation, Chemical
chemical_list: D008012:Lidocaine; D011188:Potassium