Most of Fitbit‘s smartwatches and fitness trackers feature accurate heart rate monitors. These little sensors provide valuable insight into our ticker’s rhythm when resting or on the go, but heart rate alone is only a tiny snapshot of our overall heart health. Fitbit recently announced plans to include atrial fibrillation (AFib) notifications and irregular heart rhythm monitoring in a select number of its devices. But what is AFib, why is it important, and how can you use your Fitbit device to monitor for instances of it?
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