What are the basic steps of the bls assessment in the proper order? ?

1. Check responsiveness; if none, follow steps below [1, 2, 3]

Activate emergency response systemGet automated external defibrillator (AED)

2. Check pulse for < 10 seconds; if no pulse, follow steps below

Start high-quality cardiopulmonary resuscitation (CPR) at a compressions-to-breaths ratio of 30:2Every 2 minutes, check pulse, check rhythm, and switch compressorsHigh-quality CPR and changing rescuers every 2 minutes improves a victim’s chance of survival

3. Attach AED as soon as available; if shockable rhythm, defibrillate and then immediately start CPR