The Apple Watch Series 11 receives FDA approval for its hypertension feature
“Hypertension notifications on Apple Watch use data from the optical heart sensor to analyze how a user’s blood vessels respond to the beats of the heart. The algorithm works passively in the background reviewing data over 30-day periods, and will notify users if it detects consistent signs of hypertension. These notifications provide users with valuable insights into their health as it relates to this widespread condition simply by wearing their Apple Watch, so they can begin making potentially lifesaving behavioral changes, or start treatment to reduce their risk of serious, long-term health events.”
-Apple
Apple used a combination of machine learning and the results of multiple studies with over 100,000 participants to train its algorithm. It followed up with another study with 2,000 participants.
Apple’s Hypertension Notification alert could save lives


A Hypertension Notification alert shared on the user’s iPhone Health app. | Image credit-Apple
What this new feature might lead to
For a long time, we have been looking for Apple to produce a feature for the Apple Watch that will allow it to obtain a user’s blood sugar without having them draw blood. Diabetics are eagerly awaiting such a development although there was a report that the first version of the non-invasive blood glucose feature would be like the hypertension alert and only warn users if their blood sugar was too high or too low. Subsequent versions would give blood glucose readings on demand, which is what I’d expect to see eventually with blood pressure readings on the Apple Watch.


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