title: Supernormal excitability and conduction in the His-Purkinje system of the dog.
mesh_terms: D000200:Action Potentials; D000818:Animals; D002036:Bundle of His / Q000187:drug effects / Q000502:physiology*; D004285:Dogs; D004558:Electric Stimulation; D005071:Evoked Potentials; D006329:Heart Conduction System / Q000502:physiology*; D008564:Membrane Potentials; D011188:Potassium / Q000494:pharmacology; D011690:Purkinje Fibers / Q000187:drug effects / Q000502:physiology*; D013997:Time Factors
chemical_list: D011188:Potassium