Mayo Clinic is developing an algorithm capable of detecting a weak heart pump from electrocardiograms recorded on wearable devices like Apple Watches, potentially enabling early detection of the life-threatening condition outside medical settings.
The algorithm accurately flagged a small number of patients with a weak heart pump in a study presented Sunday at the annual Heart Rhythm Society conference in San Francisco. It was tested in a decentralized study that collected more than 125,000 Apple Watch EKGs from participants in 46 states and 11 countries.
The algorithm was adapted from an earlier version designed to detect a weak heart pump from 12-lead EKGs recorded in Mayo Clinic facilities. Cardiologists said the new results establish the early feasibility of embedding that capability in wearable devices, as well as the ability to rapidly test it in large groups of potential users.
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