Fig. 2

Definitions according to terms used *: major vascular injury or > 6 rib fracture or complex pelvic fracture or > 20% blood loss or AIS > 4 for thorax/abdo or > 3 regions with AIS > 3. ^$: Patient with suspected trauma & respiratory rate > 30/min, pulse > 120/min, systolic blood pressure < 100 mmHg, Glasgow coma scale < 13, estimated exterior blood loss > 500 mL, abnormal pupillary reaction OR patient with a clinical suspicion of one of the following diagnoses: fractures from at least two long bones, flail chest, open chest or multiple rib fractures, severe abdominal injury, pelvic fracture, unstable vertebral fractures OR fall from a high height, ejection from a vehicle, death of occupant in same vehicle, wedged or trapped chest / abdomen. For clarity, terms used were grouped by similarity in three overarching categories with “injuries severity”, “hemorrhagic shock” and “blood pressure”-related definitions