CPR is Cardiopulmanry Resuscitation. In order to learn how to perform CPR, you must take a class that is certified by the American Red Cross Association. It involves basic emergency techniques you can perform in the event someone passes out, has a stroke or heart attack or is not breathing. It is meant as a basic emergeny tool and one MUST call for emergency back up. You must also get permission to treat the individual if he or she is conscious prior to giving treatment.