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Why cuffless blood pressure monitors need calibration
Nearly every cuffless device fights the same hidden problem: living, moving arteries. Here's why that forces constant calibration, and how Signal Ring reads your blood pressure without it. Cuffless blood pressure wearables need regular calibration because they can't separate a...
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Are blood pressure wearables accurate?
It varies, and that's the honest answer. Blood pressure wearables range from carefully validated to barely tested, so accuracy depends entirely on the device and on how it was proven. The useful question isn't whether wearables can be accurate. It's...