title: Preoperative use of atropine and electrocardiographic changes. Differentiation of ischemic from biliary-induced abnormalities.
mesh_terms: D000368:Aged; D001285:Atropine / Q000627:therapeutic use*; D002763:Cholecystectomy; D002769:Cholelithiasis / Q000601:surgery*; D003327:Coronary Disease / Q000175:diagnosis* / Q000188:drug therapy*; D003937:Diagnosis, Differential; D004562:Electrocardiography; D005260:Female; D005705:Gallbladder Diseases / Q000601:surgery*; D006801:Humans; D007273:Injections, Intramuscular; D008297:Male; D008875:Middle Aged
chemical_list: D001285:Atropine