Epinephrine - potentiated slowing of conduction in Purkinje fibres.
D000200:Action Potentials / Q000187:drug effects; D000818:Animals; D003864:Depression, Chemical; D004285:Dogs; D004357:Drug Synergism; D004837:Epinephrine / Q000037:antagonists & inhibitors / Q000494:pharmacology*; D006221:Halothane / Q000037:antagonists & inhibitors / Q000494:pharmacology; D006329:Heart Conduction System / Q000187:drug effects*; D066298:In Vitro Techniques; D009431:Neural Conduction / Q000187:drug effects*; D010210:Papillary Muscles / Q000187:drug effects; D010646:Phentolamine / Q000494:pharmacology; D011433:Propranolol / Q000494:pharmacology; D011690:Purkinje Fibers / Q000187:drug effects*
D011433:Propranolol; D006221:Halothane; D004837:Epinephrine; D010646:Phentolamine