BLS

	Adult	Child	Infant
	Check for responsiveness Shout for help Look for breathing/pulse (carotid in adult/child; brachial in infant)
	Get AED or send someone, before beginning CPR	Witnessed collapse - follow Adult steps Unwitnessed collapse - give 2 minutes of CPR before getting AED
No breathing/only gasping Normal pulse	Rescue breaths every 5-6 s Check pulse every 2 min Give naloxone if clinically appropriate	Rescue breaths every 3-5 s Compressions if pulse < 60 + signs of poor perfusion Check pulse every 2 min
No breathing/only gasping No pulse	CPR (30:2) - 100-120/min Use AED and check rhythm	2-rescuer CPR (30:2) 1-rescuer CPR (15:2) Use AED and check rhythm (Use pediatric dose attenuator for infants and children < 8 yo. If not available, adult pads OK) (for infants, pads will go antero-posterior instead of antero-lateral)
Advanced airway in place	1 breath every 6 seconds (without pausing CPR)
CPR notes	At least 2 in (5 cm) 2 hands on lower sternum	At least 1/3 AP diameter - 2 in (5 cm) 2 hands on lower sternum (1 hand if very small child)	At least 1/3 AP diameter - 1.5 in (4 cm) 2-rescuer CPR - 2 thumb-encircling hands just below nipple line 1-rescuer CPR - 2 fingers in center of chest just below nipple line