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Tom’s Guide
Tom’s Guide
Technology
Jeff Parsons

The Apple Watch just made history with a feature that can save your life

Apple Watch Ultra 2 on a piece of weathered wood.

The Apple Watch has been a bit of a game-changer for health and fitness thanks to its ability to push people to move more, sleep longer and break a sweat with Apple Fitness+. But the wearable has just made history as the first digital health tech device to receive FDA approval.

The atrial fibrillation (AFib) feature utilized through the optical heart sensor on Series 4 and above has received its approval as a qualified device in the FDA's Medical Device Development Tools (MDDT) program. This makes the Apple Watch the first digital health technology to qualify for use as a "tool to assess atrial fibrillation (a type of arrhythmia, or abnormal heartbeat) burden estimates within clinical studies."

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