ABC's stand for Airway, Breathing, Circulation.
Airway
Checking the victim's airway depends on whether the victim is conscious or unconscious.If a victim is conscious, ask him or her to speak. The ability to speak directly corrolates with an airway. If a person's airway is blocked, he or she can't speak.
Unconscious victims, on the other hand, require a closer inspection. Put your ear close to the victim's mouth and listen for breathing. Feel for air on your cheek and look at the chest to see if it or the abdomen is rising with each breath.
Breathing
If you do not see, hear or feel normal breathing: start CPR immediately! If the victim is breathing normally, place him or her in the recovery position.Possible causes of unconsciousness or confusion:
