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Choking is when someone is having a very hard time breathing because food, a toy, or other object is blocking the throat or windpipe (airway).
A choking person's airway may be blocked so that not enough oxygen reaches the lungs. Without oxygen, brain damage can occur in as little as 4 to 6 minutes. Rapid first aid for choking can save a person's life.
Abdominal thrusts is an emergency technique to help clear someone's airway.
Choking - Heimlich maneuver
First ask, "Are you choking? Can you speak?" DO NOT perform first aid if the person is coughing forcefully and is able to speak. A strong cough can often dislodge the object.
If the person is choking, perform abdominal thrusts as follows:
You may need to repeat the procedure several times before the object is dislodged. If repeated attempts do not free the airway, call 911.
If the person loses consciousness, start CPR.
If you are not comfortable performing abdominal thrusts, you can perform back blows instead on a person who is choking.
American Red Cross. First Aid/CPR/AED Participant's Manual. 2nd ed. Dallas, TX: American Red Cross; 2014.
Berg RA, Hemphill R, Abella BS, et al. Part 5: Adult basic life support: 2010 American Heart Association Guidelines for cardiopulmonary resuscitation and emergency cardiovascular care. Circulation. 2010;122(18 Supple 3):S685-705. Available at: www.ncbi.nlm.nih.gov/pubmed/20956221.
Thomas SH, Goodloe JM. Foreign bodies. In: Marx JA, Hockberger RS, Walls RM, eds. Rosen's Emergency Medicine: Concepts and Clinical Practice. 8th ed. Philadelphia, PA: Elsevier Saunders; 2014:chap 60.
Review Date: 4/12/2015
Reviewed By: Jacob L. Heller, MD, MHA, Emergency Medicine, Virginia Mason Medical Center, Seattle, WA. Also reviewed by David Zieve, MD, MHA, Isla Ogilvie, PhD, and the A.D.A.M. Editorial team.
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