The atrial fibrillation (AFib) history feature on Apple Watches can be used to track AFib during cardiac device clinical trials, the US Food and Drug Administration announced recently. It is the first digital health tool designated under the FDA’s Medical Device Development Tools (MDDT) program.
Apple Watch Feature Qualified As FDA Device Development Tool
The designation makes the watch's AFib history feature the first digital health tool to be qualified under the US FDA’s Medical Device Development Tools program, meaning it can be used in research during the development of certain cardiac devices.

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