Nitrous oxide is a gas inhalation agent that has a long history of administration in procedures requiring analgesia and sedation. Although use may be limited by patient condition, patient comorbidities, and appropriate scavenging equipment, nitrous is a proven and safe tool for use in many health care settings-from the dental office to the operating room to the emergency department.
Keywords: N2O; Nitrous oxide; Pediatric emergency department; Procedural sedation.