What Is a Heart Attack? - NHLBI, NIH A heart attack happens when the flow of oxygen-rich blood to a section of heart muscle suddenly becomes blocked and ...
Heart attack - Mayo Clinic A heart attack occurs when the flow of blood to the heart is blocked, most often by a build-up of fat, cholesterol and other ...
Heart Attack | Caring.com - Senior Care: Housing, Home Care, Community, Articles Heart Attack. Find related articles, questions, tips, discussions, and to-do lists at Caring.com. ... A ...
Heart Attack: Symptoms, Diagnosis, Treatment, and More ... More than a million Americans have heart attacks each year. A heart attack, or myocardial infarction (MI), is permanent damage to the heart muscle.
Heart Attack - American Heart Association What is a heart attack, also called a myocardial infarction? What is coronary heart disease and coronary artery disease? The American Heart Association ...