It is 17:40 in the Paediatric Emergency Department.

A 13-year-old boy presents after falling from his bicycle. He has an isolated, clinically suspected distal radius fracture and reports severe pain. He is alert, haemodynamically stable and breathing normally. Oral paracetamol given before arrival has provided little relief.

The treating clinician considers inhaled methoxyflurane for rapid analgesia while further assessment and definitive management are arranged.

Which of the following most accurately reflects the findings of the Methoxyflurane in Paediatric Injuries trial?