Blood oxygen levels refer to the amount of oxygen circulating in the blood. Normal blood oxygen levels fall between 75 and 100 millimeters of mercury (mm Hg) on arterial blood gas (ABG) test results.

Here's the latest update in the Masimo vs Apple case ...

It may be time to update your Apple Watch if you want to unlock the return of blood oxygen monitoring. Apple is releasing updates to reactivate a redesigned version of the feature for some Series 9, ...

The USITC has officially terminated the Apple Watch blood oxygen case. Discover why Apple’s 2026 workaround is here to stay ...

A U.S. trade tribunal sided with Apple on Friday, rejecting Masimo Corporations push to reinstate an import ban on Apple ...

Apple will bring a blood oxygen measurement feature to some of its watch models via a software update after receiving approval from the US government amid a protracted legal dispute over the ...

This means that low blood oxygen levels may be missed in patients with darker skin tones, potentially delaying care, while patients with lighter skin tones may get unnecessary treatment. Pulse ...

One of the major selling points of Apple Watches in recent years has been the ability to test users’ blood oxygen levels. Unfortunately, ongoing litigation has prevented this feature from being ...

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Apple Watch owners in the U.S. just got a big reason to update their devices. Apple just rolled out a redesigned Blood Oxygen feature to specific models, following a recent victory in a legal dispute.