Describe heart attack [ 3 marks]
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A heart attack happens if the flow of oxygen-rich blood to a section of heartmuscle suddenly becomes blocked and the heart can't get oxygen. Mostheart attacks occur as a result of coronary heart disease (CHD). CHD is a condition in which a waxy substance called plaque builds up inside of the coronary arteries.
kaurgurpriya:
plaque? ???
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A heart attack happens when the flow of oxygen-rich blood to a section of heart muscle suddenly becomes blocked and the heart can’t get oxygen. If blood flow isn’t restored quickly, the section of heart muscle begins to die.
Heart attack treatment works best when it’s given right after symptoms occur. If you think you or someone else is having a heart attack, even if you’re not sure, call 9–1–1 right away.
Heart attack treatment works best when it’s given right after symptoms occur. If you think you or someone else is having a heart attack, even if you’re not sure, call 9–1–1 right away.
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