Heart CPR, also known as hands-only CPR, is a life-saving technique that involves pressing hard and fast on the center of the chest to help maintain blood flow to the brain and vital organs during a cardiac arrest. It is a simple yet effective method that can be performed by anyone, regardless of prior training. By quickly initiating CPR, you can significantly increase the chances of survival for someone experiencing a cardiac emergency. Remember, every second counts in a cardiac arrest situation, so don't hesitate to take action and perform Heart CPR if needed.