RESPONSE ( attempt to arouse the patient by voice if not use pain stimulus AVPU),
AIRWAY (open it, airway maneuvers or adjuncts)BREATHING (look,listen,feel)
CIRCULATION (Pulse, CPR or stop major haemorrhage if present)
2. Secondary Survey is: Head to toe examination, Vital signs survey, focused history.These steps must be completed prior to any other interventions are carried out (pharmacological etc)Refer to Mosby,s chapters 19 and 20.