CPR, or cardiopulmonary resuscitation, is a vital first aid technique used when someone’s heart stops beating

https://telegra.ph/What-to-Do-Before-Assistance-Gets-Here-First-Aid-Pro-Essentials-06-28

CPR, or cardiopulmonary resuscitation, is a vital first aid technique used when someone’s heart stops beating. Knowing how to perform CPR can double or triple a victim's chances of survival before professional help arrives.