HomeTag heart arrhythmia

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After making her debut in the World Cup points last season, Joanne Reid had a bumpier ride than expected on her way to being named to U.S. Biathlon’s Olympic Team. Maybe twice as bumpy. In March, a heart problem Reid had been dealing with came to the fore. “Hindsight is 20/20,” she said in an interview from Italy this week, guessing that she might have started having symptoms in 2014 or even earlier. But she...

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Athletes engaging in big volumes of endurance exercise are at some increased risk of heart problems – compared to those who do moderate exercise. The level of that risk is under debate. At the same time, recreational athletes using heart rate monitors during their training will sometimes see numbers go up as high as 220 or 225 beats per minute (bpm). Such racing heartbeats are called tachycardia, and some of the possible underlying causes can...