Don’t Bank on Heart-Rate Accuracy From Your Activity Tracker

Article Source: HealthDay News Wrist-worn activity trackers such as Fitbit don’t reliably assess heart rate, a new study finds. While the devices may have some legitimate benefits, they shouldn’t be used for medical purposes, researchers suggest. Evaluating four wearable activity trackers from Fitbit, Basis and Mio, the investigators compared results to those from an electrocardiograph (EKG). The researchers found results varied among the different models, and were much less accurate during exercise than at rest. Read the full article here: https://medlineplus.gov/news/fullstory_164546.html