If you also want to get information about what CPR is, then stay with us. CPR Cardiopulmonary resuscitation is a life-saving procedure. CPR is urgently needed when a person's heart and breathing stop, shock occurs, and drowns due to lack of breathing. It is the compression of the chest that makes a person breathe. The American Association invented it. They say manual CPR is best if immediate treatment is not available. Remember that the American Heart Association is a world where a person does not die of a heart attack after CPR trea