Selective stimulation, suppression, or blockade of the atrioventricular node and His bundle.
D000109:Acetylcholine / Q000494:pharmacology; D000792:Angiography; D000818:Animals; D001158:Arteries; D003864:Depression, Chemical; D004285:Dogs; D004562:Electrocardiography; D006145:Guanethidine / Q000494:pharmacology; D006327:Heart Block / Q000139:chemically induced; D006329:Heart Conduction System / Q000033:anatomy & histology / Q000098:blood supply / Q000166:cytology / Q000187:drug effects / Q000502:physiology*; D007545:Isoproterenol / Q000494:pharmacology; D009388:Neostigmine / Q000494:pharmacology; D009638:Norepinephrine / Q000494:pharmacology; D013268:Stimulation, Chemical; D014439:Tyramine / Q000494:pharmacology
D009388:Neostigmine; D007545:Isoproterenol; D000109:Acetylcholine; D009638:Norepinephrine; D014439:Tyramine; D006145:Guanethidine