Learn how to perform CPR on adults, children, and infants with this step-by-step guide. Find out when to use CPR , how to check for breathing, and what to do with an AED. What is CPR ? Cardiopulmonary resuscitation is a life-saving emergency procedure performed when someone's heart or breathing has stopped. The goal of CPR is to manually restore blood circulation and oxygenation to the body's vital organs until advanced medical help can be provided. During Cardiopulmonary Resuscitation chest compressions and rescue breaths are performed in a specific sequence to mimic the functions of the heart and lungs. chest compressions involve pressing down on the center ... Learn the steps to use this lifesaving technique to help adults and children. Cardiopulmonary resuscitation ( CPR ) is an emergency treatment that's done when someone's breathing or heartbeat has stopped. For example, when someone has a heart attack or nearly drowns. CPR can help save a life. Learn how to perform CPR , a life-saving technique that combines chest compressions and artificial ventilation, in 7 basic steps. Find out who can perform CPR , what are the common reasons for CPR , and what are the critical components of high-quality CPR .