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Frequently Asked Questions

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Questions about blood pressure measurement in general


Questions about measurement devices


Questions about measurement results


Questions about methods of blood pressure measurement


How does oscillometric measurement work?

Using an inflatable rubber cuff, the artery in the upper arm or at the wrist is compressed. While the air is released slowly from the cuff, the blood begins to flow through the artery again. The devices register the fluctuations in the walls of the artery, which are produced as the blood starts to flow through it. These fluctuations, also called oscillations, first become stronger, then diminish and cease completely when the blood is again flowing normally through the blood vessels. From the typical graph of the oscillations, the systolic and diastolic blood pressure is calculated using a formula, the algorithm.