Contributor: Steven Nissen, MD

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Most people know about commonrisk 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. Lets talk about these lesser-known risk factors and who is likely to be affected.

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.

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.

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.

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.

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.

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:

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

See more here:
Have You Heard of These 5 Heart Attack Risk Factors? - Health Essentials from Cleveland Clinic (blog)

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