i m a RN working in icu adult who also works in ER on rotation basis.Likke many of the author suggested that first important is airway, if not maintained there is no use of what ever the management is as the brain dies within 3-4 minutes without the oxygen.in trauma mx, there is also the words "look,run,play" of which the Triage comes into play and the coding system.this is just my view and may be there r many mistakes and corrections from others are welcome. By going thru' this forum m learning many things which r not there in our hospital settings RN from BHUTAN