cardiopulmonary resuscitation

noun

: a procedure designed to restore normal breathing after cardiac arrest that includes the clearance of air passages to the lungs, mouth-to-mouth method of artificial respiration, and heart massage by the exertion of pressure on the chest

Word History

First Known Use

1958, in the meaning defined above

Time Traveler
The first known use of cardiopulmonary resuscitation was in 1958

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Cite this Entry

“Cardiopulmonary resuscitation.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/cardiopulmonary%20resuscitation. Accessed 28 Jul. 2026.

Kids Definition

cardiopulmonary resuscitation

noun
: a procedure used to restore normal breathing when the heart stops beating that includes clearing the air passages to the lungs, mouth-to-mouth artificial respiration, and applying pressure to the chest to massage the heart

Medical Definition

cardiopulmonary resuscitation

noun
: a procedure designed to restore normal breathing after cardiac arrest that includes the clearance of air passages to the lungs, the mouth-to-mouth method of artificial respiration, and cardiac massage by the exertion of pressure on the chest
abbreviation CPR

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