Atrial fibrillation is the most common cardiac arrhythmia in the us. Over five million people have it, and it’s linked to a higher risk of stroke, heart failure, and clots.
People may not even know they have it.
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If the Apple Watch picks up the arrhythmia, it can signal the wearer and steer them to treatment. The study has enrolled 400,000 people.
There are no results yet, but they’re hoping that an Apple a day may help people find a risk that they can treat.