| Task | Adult | Child | Infant |
| Responsiveness Check | Perform sternal rub/ tap tops of shoulders | Perform sternal rub/ tap tops of shoulders | By patting the victim's feet and chest |
| Dial 911 | Immediately if victim is unresponsive | After 5 cycles of CPR or about 2 minutes | After 5 cycles of CPR or about 2 minutes |
| Pulse Location (10 second check) |
Carotid Artery | Carotid or Femoral Artery | Brachial Artery |
| Compressions | 2 hands; 2 inches; 100-120 compressions per minute | 2 hands; 2 inches; 100-120 compressions per minute | 2 fingers; 1 1/2 inches; 100-120 compression per minute |
| Airway | Head tilt / Chin lift technique | Head tilt / Chin lift technique | Head tilt / Chin lift technique |
| Breathing | Provide 2 breaths after every 30 compressions | Provide 2 breaths after every 30 compressions | Provide 2 breaths after every 30 compressions |