Have You Heard of These 5 Heart Attack Risk Factors?

Watch out for these lesser-known culprits

Have You Heard of These 5 Heart Attack Risk Factors?

Contributor: Steven Nissen, MD

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Most people know about common risk factors for heart attack, including smoking, diabetes, high blood pressure, obesity and lack of exercise. These tend to be universal, meaning they can increase the risk in nearly anyone.

But there are other risk factors that put certain people at risk, or put people at risk under certain conditions. Let’s talk about these lesser-known risk factors and who is likely to be affected.

1. Intense emotions

Studies have shown that both intense anger and grief can cause a heart attack. It probably occurs from a sudden increase in heart rate and blood pressure triggered by the surprise.

Because many of us experience these emotions in our lifetime and live through them, they are probably more likely to negatively impact people who are already at increased risk for heart attack.

There is a condition called Takotsubo cardiomyopathy, which may imitate a heart attack, but is somewhat different. It tends to occur more often in women at times of intense grief and produces heart attack-like symptoms that cause sudden heart failure.

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It is thought to be the result of an arterial spasm. With treatment, the heart failure often resolves after the grief subsides. Later testing generally shows no evidence of heart attack.

2. Sudden exertion

A bout of sudden, strenuous physical activity can lead to heart attack in people who are not physically fit.

It can happen from something as seemingly harmless as a pick-up game of basketball, or from lifting and carrying something heavy, such as a shovel full of snow. People who are not used to exercising, or have traditional risk factors for heart disease, are at increased risk.

3. Extreme cold

Cold temperatures cause the arteries to constrict, which can cause a sudden increase in blood pressure. Combine this with physical exertion, such as shoveling snow, and the strain may be too much for some hearts to take. Every year, shoveling snow sends more than 11,000 people to the hospital — at least 7 percent with heart trouble.

4. Eating a heavy meal

A heavy meal can occasionally trigger a heart attack. Researchers think it happens because eating raises levels of the hormone epinephrine, which can increase blood pressure and heart rate.

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5. Other diseases

When you are diagnosed with a serious medical condition that seems unrelated to your heart, the risk of heart attack may not cross your mind. For this reason, the role of certain diseases in raising the risk of heart attack is often unappreciated.

Diseases known to increase the risk of heart attack include:

  • Inflammatory diseases, such as rheumatoid arthritis, lupus and any other diseases that can cause inflammation in the blood vessels
  • Preeclampsia, which raises blood pressure
  • Gestational diabetes, which greatly increases the risk of heart attack
  • Sleep apnea, which causes aggressive heart disease that increases the risk of heart attack by 30 percent over five years
  • Cancer of the left breast involving prior radiation to the chest, which can damage the heart

Any person with one of these conditions should see a cardiologist, in addition to their regular doctor.

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Steven Nissen, MD

Steven Nissen, MD, is Chairman of the Department of Cardiovascular Medicine at Cleveland Clinic. In 2007, TIME Magazine named him “one of the 100 most influential people in the world.”
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