Snapshot A 35-year-old male presents to the ED C-collared on a backboard after being hit in a motor vehicle accident. He breathes spontaneously without any frank bleeding, but bruises are noted throughout his hip and abdomen. His blood pressure is 90/60 mmHg, pulse is 110/min, respirations are 20/min, and SaO2 is 95% on room air. After 1 L Lactated Ringer's and some pain medications are administered, the radiology technician takes images of his C-spine, chest, and pelvis. The pelvic radiograph is shown. introduction Trauma is the leading cause of death in patients < 45 years old (accident, homicide, suicide) login to view 1 more bullet Timeline of trauma mortality is important for prognosis login to view 3 more bullets Broadly, trauma is either blunt or penetrating login to view 1 more bullet Knowing mechanism is important to anticipate injuries for appropriate triage Beyond managing trauma, underlying cause must always be sought (6 S's) Presentation of Mechanisms Motor vehicle collision login to view 5 more bullets Pedestrian-automobile impact login to view 4 more bullets Falls login to view 3 more bullets Gunshot wounds (GSW) login to view 4 more bullets Stab wounds (SW) login to view 2 more bullets Amputation login to view 1 more bullet Dental trauma login to view 3 more bullets Cervical spine fractures login to view 4 more bullets evaluation and management Primary and secondary surveys with resuscitation as needed login to view 19 more bullets Amputated body part login to view 1 more bullet Imaging Doppler ultrasound login to view 2 more bullets radiography (XR/CT) login to view 2 more bullets MRI login to view 1 more bullet SUMMARY Trauma does not cause isolated injuries login to view 17 more bullets