Effect of body position on relieve of foreign body from the airway.

Foreign body airway obstruction (FBAO), or commonly known as choking, is an extremely dangerous event. The European Resuscitation Council recommends that back blows and abdominal thrusts should be performed for relieving FBAO in conscious adults. Reviewed here evidence suggests that applying a prone or a head-down position increases effectiveness of the above standard approaches to relieve obstruction, due to help of gravity.