title: Electrophysiologic effects of atropine on atrioventricular conduction studied by His bundle electrogram.
mesh_terms: D000328:Adult; D000368:Aged; D001285:Atropine / Q000008:administration & dosage / Q000009:adverse effects / Q000494:pharmacology* / Q000627:therapeutic use; D004562:Electrocardiography; D006325:Heart Atria / Q000187:drug effects; D006329:Heart Conduction System / Q000187:drug effects*; D006339:Heart Rate / Q000187:drug effects; D006801:Humans; D008722:Methods; D008875:Middle Aged
chemical_list: D001285:Atropine