title: Oxygen analyzer dangerous--senses nitrous oxide as battery fails.
mesh_terms: D000328:Adult; D000769:Anesthesia, Inhalation / Q000295:instrumentation*; D006801:Humans; D008297:Male; D008991:Monitoring, Physiologic / Q000295:instrumentation; D009609:Nitrous Oxide / Q000032:analysis*; D010100:Oxygen / Q000032:analysis*; D010102:Oxygen Inhalation Therapy / Q000295:instrumentation*
chemical_list: D009609:Nitrous Oxide; D010100:Oxygen