"I see minor abnormalities all the time, and variable changes in the same patient from year to year. There are some things we expect that are normal variants," Friedman said.
Until the experts sort out the best way to use EKG to help them predict someone's risk of a heart attack, Auer said that it's important to talk to your doctor about your heart disease risk factors, such as high blood pressure, high cholesterol and smoking. Making changes in these risk factors is already known to reduce the risk of heart disease. It isn't yet known if changing the results of your EKG will help lower your heart disease risk, he noted.
Learn more about the electrocardiogram test from the U.S. National Heart, Lung, and Blood Institute.
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