Each year, 475,000 Americans die from cardiac arrest, an electrical malfunction in the heart that causes an irregular heartbeat and disrupts the flow of blood to the brain, lungs and other organs.

Think you know how to perform CPR properly because you've seen it on TV? You probably don't, a new study has warned.

Despite outside declarations that disco is dead, the American Heart Association has resurrected a '70s hit, hoping it will save lives. This is National CPR and AED – automated external defibrillator – ...