title: Electrocardiogram of the month.
mesh_terms: D000368:Aged; D001285:Atropine / Q000627:therapeutic use; D004562:Electrocardiography; D006801:Humans; D008297:Male; D013610:Tachycardia / Q000175:diagnosis* / Q000188:drug therapy
chemical_list: D001285:Atropine