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Almost half of all heart attacks are 'silent'

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Posted in Science on 22nd May, 2016 11:10 AM by AlexMuller

A new study in the journal Circulation finds that almost half of all heart attacks may actually be silent. And while men are more likely to experience them than women, women are more likely to die from these silent attacks. The study tracked more than 9,000 men and women from 1987 to 2013 and evaluated their medical records.

 

Nine years after the study began, 386 people were reported to have had a heart attack, but another 317 of the participants turned out to have experienced a silent heart attack. Having a silent heart attack increased the chances of dying from heart disease threefold and increased chances of dying from any cause by 34%, the study found.

 
Silent heart attacks can be detected by EKG, which measures the heart's electrical activity. Signs of a silent heart attack can include unexplained fatigue and discomfort in the jaw, upper back or arms. Pain can even be mistaken for indigestion.
 
"The outcome of a silent heart attack is as bad as a heart attack that is recognized while it is happening," said Dr. Elsayed Z. Soliman, study author and director of the epidemiological cardiology research center at Wake Forest Baptist Medical Center in Winston-Salem, North Carolina. "And because patients don't know they have had a silent heart attack, they may not receive the treatment they need to prevent another one."
 
This is a particular issue for women, said Dr. Nieca Goldberg, a cardiologist with the NYU Langone Joan H. Tisch Center for Women's Health. When women come in for visits, signs of heart attack can often be mistaken, and that can be a missed opportunity to treat heart disease.
 
Women are more likely to die of silent heart attacks, said Goldberg, because women are more likely than men to have the symptoms of heart attack be mistaken for symptoms of other chronic conditions such as diabetes and high blood pressure.
 
She added that women are also more likely to be concerned with the well-being of their families instead of themselves first and frequently minimize their symptoms.

Tags: heartheart attackhealthmedicineresearchbiology

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