We've compiled a list of links that you may find helpful
Heart Authority -- an educational resource created entirely by cardiology experts dedicated to bringing you the most up-to-date information on cardiovascular problems. America's leading cardiologists providing you information on the most common heart-related conditions.
American Heart Association-- The American Heart Association is a national voluntary health agency whose mission is to reduce disability and death from cardiovascular diseases and stroke.
National Heart, Lung, and Blood Institute -- The National Heart, Lung, and Blood Institute (NHLBI), part of the National Institutes of Health, designed this Web page as part of a campaign to increase awareness of the need to act fast when someone may be having a heart attack. Fast action can save lives and limit damage to the heart.