Medscape November 14, 2021
Sue Hughes

A novel software algorithm compatible with a wide range of smartwatches and wearable fitness trackers successfully detected atrial fibrillation (AF) in users of such devices with a positive predictive value of 98% in the Fitbit Heart Study.

“This is a higher positive predictive value than seen in previous studies of other algorithms used in a similar way, and suggests that such an approach could be used for the large-scale identification of undiagnosed AF,” said study author Steven Lubitz, MD, MPH, associate professor of medicine at Massachusetts General Hospital, Boston.

“We found that individuals with irregular heart rhythm detected on this algorithm tend to be at elevated risk of having AF on subsequent ECG patch monitoring and have a considerable AF...

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Topics: Digital Health, Patient / Consumer, Provider, Technology, Wearables
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