to do a lot worse than 97% of people dying. we really said, you know, we had -- 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 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 breath at all. >> 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 tripped. in some parts of the state, it is even better than that. using several new procedures including better cpr, paramedics