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2h ago

Apple Watch Hypertension Alerts Go Live, Detect About 40% of Cases

Apple's validation finds detection near four in ten cases, underscoring that the feature serves as a screening aid, not a diagnosis.

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Overview

  • The capability is now available with watchOS 26 and iOS 26 in approved markets including Germany after regulatory clearance.
  • Apple's study reports roughly 30% detection for Grade 1 hypertension and about 50% for Grade 2, averaging near 40%.
  • The system analyzes daytime photoplethysmography data over 30 days using the optical heart sensor and provides no mmHg readings.
  • Notifications advise confirmed measurement with a medical blood‑pressure device and follow‑up with a clinician, with iOS 26 Health supporting manual logging and reminders.
  • Compatibility includes Series 9 and Ultra 2 or newer such as Series 11 and Ultra 3, while Apple Watch SE models do not support the feature; Apple reports few false alerts and projects over one million users may receive warnings in the first year.