About Heart Attacks http://www.heart.org/HEARTORG/Conditions/HeartAttack/PreventionTreatmentofHeartAttack/Heart-Valves-Explained_UCM_305656_Article.jsp The American Heart Association explains heart valves. Mon, 20 May 2013 20:20:00 GMT http://www.heart.org/HEARTORG/Conditions/HeartAttack/PreventionTreatmentofHeartAttack/Heart-Valves-Explained_UCM_305656_Article.jsp 2013-05-20T20:20:00Z http://www.heart.org/HEARTORG/Conditions/HeartAttack/AboutHeartAttacks/Acute-Coronary-Syndrome_UCM_428752_Article.jsp The American Heart Association explains that acute coronary syndrome is an umbrella term for situations where the blood supplied to the heart muscle is suddenly blocked such as heart attack and unstable angina. Tue, 19 Mar 2013 18:05:00 GMT http://www.heart.org/HEARTORG/Conditions/HeartAttack/AboutHeartAttacks/Acute-Coronary-Syndrome_UCM_428752_Article.jsp 2013-03-19T18:05:00Z http://www.heart.org/HEARTORG/Conditions/HeartAttack/AboutHeartAttacks/About-Heart-Attacks_UCM_002038_Article.jsp What is a heart attack? The American Heart Association explains myocardial infarction, also called heart attack. Wed, 23 Jan 2013 18:46:00 GMT http://www.heart.org/HEARTORG/Conditions/HeartAttack/AboutHeartAttacks/About-Heart-Attacks_UCM_002038_Article.jsp 2013-01-23T18:46:00Z http://www.heart.org/HEARTORG/Conditions/HeartAttack/PreventionTreatmentofHeartAttack/Silent-Ischemia-and-Ischemic-Heart-Disease_UCM_434092_Article.jsp The American Heart Association explains Silent Ischemia and Ischemic Heart Disease. Mon, 12 Nov 2012 17:19:00 GMT http://www.heart.org/HEARTORG/Conditions/HeartAttack/PreventionTreatmentofHeartAttack/Silent-Ischemia-and-Ischemic-Heart-Disease_UCM_434092_Article.jsp 2012-11-12T17:19:00Z http://www.heart.org/HEARTORG/Conditions/HeartAttack/PreventionTreatmentofHeartAttack/Mitral-Valve-and-Mitral-Valve-Prolapse_UCM_434087_Article.jsp The American Heart Association explains Mitral Valve and Mitral Valve Prolapse. Thu, 02 Aug 2012 18:24:00 GMT http://www.heart.org/HEARTORG/Conditions/HeartAttack/PreventionTreatmentofHeartAttack/Mitral-Valve-and-Mitral-Valve-Prolapse_UCM_434087_Article.jsp 2012-08-02T18:24:00Z