Heimlich Unveils Maneuver: A New Life-Saving Technique Emerges

Choking killed roughly 3,000 Americans per year in the early 1970s, and the standard medical advice was to slap the victim on the back. Dr. Henry Heimlich thought back-slaps were actively dangerous, arguing they could lodge food deeper into the airway. His alternative, published in the journal Emergency Medicine on June 1, 1974, was deceptively simple: stand behind the victim, place a fist just above the navel, and thrust sharply upward. The sudden compression of the diaphragm forces a burst of residual air from the lungs, ejecting the obstruction like a cork from a bottle. Heimlich developed the technique through experiments on anesthetized dogs at Xavier University in Cincinnati. He discovered that the lungs always retain a volume of air even after exhalation, and that abdominal thrusts could harness this reserve far more effectively than chest compressions or gravity. The method required no equipment, no medical training, and could be self-administered by pressing the abdomen against a chair back. Public adoption was extraordinarily fast. Within a year of publication, newspapers carried stories of waiters, parents, and strangers saving choking victims with the technique. The American Red Cross endorsed it in 1976. Restaurant posters demonstrating the maneuver became ubiquitous. Heimlich estimated the technique saved over 100,000 lives in its first four decades, though exact figures remain difficult to verify. The technique was not without controversy. The American Red Cross and American Heart Association debated for years whether back blows should be used alongside or instead of abdominal thrusts. Heimlich himself proved a polarizing figure, making disputed claims that his maneuver could treat drowning and asthma. Medical consensus now recommends abdominal thrusts for conscious choking adults, with back blows as a first intervention in some international protocols.