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heart attack

a heart attack is an event that occurs when part of the heart muscle does not get enough blood and oxygen. this part of the heart starts to die.

a heart attack most often happens because blood flow through one or more of the coronary arteries is blocked. this blockage is usually caused by a blood clot that forms when plaque in the artery breaks open.

quick treatment that restores blood flow to the heart can help save lives.

the medical name for a heart attack is myocardial infarction, or mi. it may also be called acute coronary syndrome.

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this information does not replace the advice of a doctor. healthwise, incorporated, disclaims any warranty or liability for your use of this information. your use of this information means that you agree to the terms of use and privacy policy. to learn more about healthwise, visit healthwise.org. © 1995-2022 healthwise, incorporated. healthwise, healthwise for every health decision, and the healthwise logo are trademarks of healthwise, incorporated.

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