Because the pulse pressure oscillation wave has a relatively stable correlation with blood pressure, the blood pressure measured by the principle of the oscilloscope is more accurate than the auscultation method in the application of self-measurement of blood pressure at home. Moreover, when using the oscillometric method to measure blood pressure, there is no pickup device in the cuff, which is easy to operate and has strong anti-interference ability against external noise. It can also measure the average pressure at the same time.
It must be pointed out that from the point of view of measurement principle, the two indirect measurement methods do not have the problem of which is more accurate.
Well, today’s knowledge about the principle of electronic sphygmomanometers is introduced here. Next time I will continue to talk about the product structure of the blood pressure monitor