Some 5,000 people in Sweden suffer from cardiac arrest every year and only 8% survive.
Swedish doctors add that chances of survival increase by 50% if first-aid is given immediately.
About one million people in this Nordic nation have been taught how to give heart massages - and doctors want to expand training to many more in this nation of 9 million.
At the same time, medical studies show that it takes ambulances three more minutes today to reach a victim of cardiac arrest than a few years ago.
The reasons offered are big city traffic problems and that there are fewer ambulances today with more to do.