Trauma destination comorbidities {Ans: Geriatric >65 Pediatric Anti coagulation or anti platelet therapy Pregnancy >20 weeks MVC >40mph +LOC EMS provider judgement}Critical trauma criteria mechanism {Ans: Adult fall>15 ft Pediatric fall >10 ft or 3x height Auto vs per or bike > 20mph MCA > 20mph Ejection from vehicle Death in same vehicle PSI, including roof > 12" at occupant site PSI, including roof >18" any site}MCI criteria {Ans: More than 5 patients requiring transport}START {Ans: Trauma triage Deceased: no ventilation even after repositioning Immediate: ventilation after airway repositioning, RR > 30, peripheral pulse absent and CR> 2 seconds, unable to follow commands Delayed: does not meet immediate criteria Minor: able to walk, minimal injury}NSAID {Ans: Neurological deficit Spinal tenderness Altered mental status Intoxication Distracting injury}Critical trauma Physiologic {Ans: GCS <= 13 SBP < 90 RR< 10 or >29 Geriatric SBP< 100 Infant RR <20}