http://www.hrsonline.org/Patient-Resources/Heart-Diseases-Disorders/Sudden-Cardiac-Arrest-SCA#axzz2cWl7bnBx
Sudden Cardiac Arrest (SCA) accounts for more than 350,000 deaths in the USA each year. In fact, SCA claims one life every 90 seconds, taking more lives each year than breast cancer, lung cancer or AIDS.