News-Medical.Net January 22, 2026
Smartwatches with both PPG and ECG functionality improve the detection of atrial fibrillation in comparison with standard care. Researchers from Amsterdam UMC analysed the data from 437 patients and detected heart arrythmia four times more often in those who wore an Apple Watch. These results are published today in JACC (Journal of the American College of Cardiology).
Traditionally, monitoring takes place with other ECG devices, but patients can find them a bit irritating, and most of them can only monitor for two weeks at a time.”
Atrial fibrillation is the arrhythmia associated with stroke. Irregular atrial beating can lead to the formation of clots. If these clots travel to the brain, they can cause a stroke.
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