“…12 4. Polytraumatized patient 13,14 : serious injuries affecting at least two body regions (skull/brain, thorax, abdomen, musculoskeletal system), or three major fractures. Serious injury is that affecting: (a) skull: unconsciousness or neurological focality, bleeding from nose, bleeding from ears, or facial fracture; (b) thorax: rib fractures, sternal fracture, pneumothorax, hemothorax, lung contusion, aortic rupture, cardiac tamponade or ruptured diaphragm; (c) abdomen: organ laceration or contusion; and (d) musculoskeletal system: vertebral body or arch fracture, fracture of the pelvis, femur, tibia, humerus, or amputation of extremities.…”