Fig. 1From: Nasal nalbuphine analgesia in prehospital trauma managed by first-responder personnel on ski slopes in Switzerland: an observational cohort studyTreatment algorithm that had to be followed by the lay rescuers to assure the drug was administered only if indicated. NRS = numeric rating scale. GCS = Glasgow coma scale. Noticeable altered vital signs = Airway – threatened, respiratory rate > 36 or < 8 or SpO2 < 90%, Circulation - pulse > 140 or < 40, systolic Bloodpressure < 90 or > 180Back to article page