A lot vs. Alot: 9 Grammatical Pitfalls
by 1979, abbreviation of cardiopulmonary resuscitation.
Short for cardiopulmonary resuscitation. An emergency procedure in which the heart and lungs are made to work by manually compressing the chest overlying the heart and forcing air into the lungs. CPR is used to maintain circulation when the heart stops pumping, usually because of disease, drugs, or trauma.