Cardio Pulmonary Resuscitation is an emergency measure taken when someone encounters a sudden cardiac pulmonary arrest. This cardio pulmonary arrest can be in hospital and it is seen that out of the hospital cases have lead to maximum number of deaths in the United States. Knowledge of CPR can be life saving in most of the cardiac arrest cases. It involves actions like continuous chest compression and periodic artificial ventilation to ensure an uninterrupted supply of blood and oxygen to the vital organs of the person who has encountered a cardiac pulmonary arrest.