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Heart Attack
Causes and Risk Factors
Coronary artery disease is the most common underlying cause of a
heart attack. Coronary artery disease is the hardening and
narrowing of the coronary arteries caused by the buildup of plaque
inside the walls of the arteries. Over time, the buildup of plaque
can
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narrow the arteries so that less blood flows to the heart
muscle,
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completely block the arteries and flow of blood, or
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cause blood clots to form and block the arteries.
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