Depression may raise risk of abnormal heart rate

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Washington, March 24 (TNS): A person’s risk of developing the common heart disorder atrial fibrillation, or irregular heartbeat, may be increased if they also have depression, according to new data.

These data were recently presented at the American Heart Association’s (AHA) 2018 scientific sessions on Epidemiology and Prevention. The AHA’s 2018 Heart and Stroke Statistical Update claims that 2.7 million people in the United States have atrial fibrillation.

A-fib occurs when the upper chambers of the heart spasm, which therefore prevents them from moving blood into the heart’s lower chambers.
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When blood collects in the heart’s upper chamber it can clot, which may lead to stroke. Figures from the National Institutes of Health (NIH) show that, across the U.S., more than 16 million adults experience depression. And, according to the Centers for Disease Control and Prevention (CDC), during any 2-week period, 7.6 percent of people over the age of 12 have depression. The causes of depression are not well understood, but scientists believe that psychosocial, environmental, behavioral, and genetic factors all play a role.

In the recent study, researchers from the Keck School of Medicine at the University of Southern California in Los Angeles analyzed data from the Multi-Ethnic Study of Atherosclerosis (MESA) project. More than 6,600 U.S. citizens from a variety of ethnic groups took part in the MESA, and they were followed for 13 years. The participants were aged 62, on average, and they were free from heart disease at the start of the study.