title: Sicknesses of the sinus node.
mesh_terms: D000818:Animals; D001145:Arrhythmias, Cardiac; D001283:Atrioventricular Node / Q000187:drug effects / Q000503:physiopathology; D003864:Depression, Chemical; D004285:Dogs; D005080:Exercise Test; D006339:Heart Rate / Q000187:drug effects; D006801:Humans; D009388:Neostigmine / Q000494:pharmacology; D012110:Reserpine / Q000494:pharmacology; D012849:Sinoatrial Node / Q000503:physiopathology; D013566:Sympathomimetics / Q000494:pharmacology; D009626:Terminology as Topic
chemical_list: D013566:Sympathomimetics; D009388:Neostigmine; D012110:Reserpine