Scene survey, assess responsiveness, call medical help, send for someone for an AED, Primary survey - C-A-B, Not breathing/agonal breathing - position your hands in the center of upper chest and your shoulders directly over your hands, locked elbows (CPR), 30 COMPRESSIONS - HARDER + FASTER, count aloud, no interruptions, allow complete chest recoil, 5-6cm, 2-2.4 inches, 100-120 bpm, chest compressions to ventilation ratio: 30:2