1)  Check for response
2)  Activate emergency response and call for AED
3)  Open airway using head tilt-chin lift
4)  Check for breathing for (5 to 10 seconds)
5)  Give 2 breaths (look to see if check is rising)
6)  Check pulse for (5 to 10 seconds)
7)  Begin chest compressions

 30 compressions and two breaths for 5 cycles.  This averages about 2 minute's time.  After you 5 cycles are complete, you are to reassess the victim and determine if more CPR is needed.