CPR - Cardio-Pulmonary Resuscitation
Cardio means "of the heart" and pulmonary means "of the lungs". Resuscitation is a medical word that means "to revive". CardioPulmonary Resuscitation is a technique used in medical emergency in case of heart attack or cardiac arrest. It is the activity of mouth-to-mouth resuscitation and chest compressions given to a person whose breathing or heartbeat has stopped. It can be a life-saving first aid.
Cardiac Arrest is the state of body that interrupts normal circulation of blood due to failure of the heart. A cardiac arrest can be caused by: Heart disease, Suffocation, Drowning, Electric shock, Drug overdose, etc. CPR is an activity that helps the body in reviving from Cardiac Arrest. People who handles emergencies - doctors, firefighters, lifeguards, nurses and police officers are all trained to do "CardioPulmonary Resuscitation".