title: Post-operative pain relief with ketamine infusion.
mesh_terms: D000328:Adult; D000368:Aged; D000768:Anesthesia, General; D001794:Blood Pressure; D002763:Cholecystectomy; D004325:Dreams; D005260:Female; D005743:Gastrectomy; D006801:Humans; D006863:Hydrogen-Ion Concentration; D007275:Injections, Intravenous; D007649:Ketamine / Q000008:administration & dosage / Q000627:therapeutic use*; D008297:Male; D008875:Middle Aged; D010100:Oxygen / Q000097:blood; D010149:Postoperative Pain / Q000188:drug therapy*; D011182:Postoperative Care; D011674:Pulse; D012119:Respiration; D013147:Spirometry
chemical_list: D007649:Ketamine; D010100:Oxygen