A heart attack happens when blood flow to the heart is blocked. Without blood and
the oxygen it carries, part of the heart starts to die. The medical name for a heart
attack is myocardial infarction, or MI. It may also be called acute coronary syndrome.
A heart attack is often the result of coronary artery disease, in which fatty deposits
called plaque (say "plak") build up inside the heart arteries. When plaque breaks
open or ruptures, it can form a clot that blocks blood flow to the heart muscle.
Quick treatment that restores blood flow to the heart can help save lives.
Medical Review:Adam Husney, MD - Family Medicine & Rakesh K. Pai, MD - Cardiology, Electrophysiology & E. Gregory Thompson, MD - Internal Medicine & Martin J. Gabica, MD - Family Medicine & George J. Philippides, MD, FACC - Cardiology
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