http://www.physorg.com/ en-us Physorg.com internet news portal provides the latest news on science including: Physics, Nanotechnology, Life Sciences, Space Science, Earth Science, Environment, Health and Medicine. Nearly 200,000 out-of-hospital incidents of sudden cardiac arrest occur among U.S. residents each year. For every minute care is delayed, survival is decreased. http://www.physorg.com/news149866087.html Medicine & Health Tue, 30 Dec 2008 13:28:07 EST news149866087