Nine out of 10 people who suffer cardiac arrest outside the hospital die, according to the American Heart Association. In most of these cases, bystander cardiopulmonary resuscitation (CPR) wasn't performed. The American Heart Association is working to change that. MORE: https://www.wthr.com/article/news/local/indianapolis-heart-walk-to-spread-awareness-for-heart-disease-raise-money-for-people-to-be-trained-in-cpr-indiana-victory-field/531-627fd79b-c62a-4e3e-a897-f7ac0a88d4ca