CPR - Cardiopulmonary Resuscitation makes you a savior. At the very moment when everyone is witnessing the sudden fall of a human being, you can use your intelligence and ability to prevent cardiac arrest from leading to death. You have only 4 to 6 minutes (golden time) to revive the patient through CPR. If this duration reaches 10 minutes, you may be able to save the patient from death, but he will probably suffer brain death.If you or one of your family members has a history of cardiovascular diseases, you should be more careful than others and pay attention to learning basic cardiopulmonary resuscitation measures. On the other hand, people who are prone to heart diseases should be under the supervision of a cardiologist. Take your mild heart problems seriously and remind yourself that prevention is better than cure.Cardiopulmonary resuscitation is necessary for all sections of the society, and applying what has been learned when dealing with cardiac arrest patients can reduce the chance of survival and subsequent damage caused by lack of oxygen to the brain. The upcoming collection includes the necessary training to perform cardiopulmonary resuscitation outside the hospital and by non-medical personnel, which is compiled in simple and scientific language and according to the latest international guidelines for resuscitation, and includes various sections such as familiarization with the structure of the heart and blood circulation. The causes of cardiac arrest are: diagnosis of cardiac arrest, safety of the scene and request for help, chest compressions, opening the airway, artificial respiration, automatic shock device, sequence of resuscitation steps and dealing with airway obstruction with a foreign body.