The Apple Watch could offer a high level of accuracy when monitoring blood pressure, with Apple suggesting an actuator with a bladder and pressure sensors to reduce the number of errors when making a reading of the wearer.The Apple Watch Series 6 can determine blood oxygen levels. Apple introduced blood oxygen tracking in the Apple Watch Series 6, giving users another metric in their fitness to track, alongside the heart rate and ECG features. However, one important blood-related measurement that has so far failed to be included is blood pressure monitoring.Read more