>> we said, you know, it's hard to do a lot worse than 97% of people dying. we really said, you know, we -- we have to do something better, and we got to do something quickly. >> one of the first things he did was change the cpr guidelines. for paramedics in arizona nowadays, it's 200 chest compressions in two minutes, then defibrillation or a shock four times over before giving that first artificial breath. >> two minutes to learn to save a life. >> for lay people in training courses like this and 911 dispatchers, the advice is simpler than that. don't bother giving any breaths at all. >> ma'am, what i want you to do is we are going to do compression-only cpr. >> within a year of the changes, there was dramatic success. >> statewide survival rate has more than tripled. >> just think about that. it's more than tripled. in some parts of the state, it's even better than that.