CAUSE OF HEART ATTACK

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CAUSE OF HEART ATTACK


 

A heart attack, also known as myocardial infarction, occurs when the blood flow to a part of the heart muscle is blocked, usually by a blood clot. This blockage prevents oxygen and nutrients from reaching the heart muscle, which can cause damage or death to the affected tissue.

 

The most common cause of a heart attack is the buildup of fatty plaques (atherosclerosis) in the walls of the coronary arteries, the blood vessels that supply oxygen-rich blood to the heart muscle. These plaques can rupture, causing a blood clot to form that can completely block the artery and lead to a heart attack.

 

Several factors can increase the risk of developing atherosclerosis and, therefore, a heart attack, including:

1. Obesity

2. Smoking

3. Diabetes

4. High cholesterol

5. Family history of heart disease

6. High blood pressure

7. Age (the risk of heart disease increases with age)

Other factors that can trigger a heart attack include severe physical exertion, emotional stress, and drug use (such as cocaine). In some cases, a heart attack may also be caused by a spasm in a coronary artery or a tear in the artery wall.


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