Longman Dictionary of Contemporary English
artificial respiration
noun
EXAMPLES FROM CORPUS
▪ Give the child artificial respiration if needed.
▪ If you can not detect even the shallowest of breaths, attempt artificial respiration making sure the chest starts to rise.
▪ Not only that, she administered artificial respiration and brought you round, and then came here to get help.
▪ They tell you to go on with artificial respiration for ever, for long after you've given up hope.
Wiktionary
artificial respiration
n. The manual or mechanical forcing of air into the lungs of a person who is not breathing in order to maintain life.
WordNet
artificial respiration
n. an emergency procedure whereby breathing is maintained artificially