The best devices and methods: How to measure your blood pressure correctly. One in four people in Germany suffers from high blood pressure.
Only three of the ten devices tested by Stiftung Warentest were good. The Samsung Galaxy Watch5 Pro is only good if it is calibrated regularly every 28 days. It also does not work reliably when blood pressure is significantly elevated. The accuracy of all home blood pressure monitors tested was at best satisfactory In order to check whether the medication prescribed for high blood. pressure is working, many patients measure their blood pressure themselves.