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The Measurement Index of Finger Pulse Oximeter

April 30, 2020

I'm sure you know a lot about the basic functions and how to use the finger pulse oximeter. But some people know very little about what the oximeter measures. Theoretically, whether it's pulse rate, oxygen saturation, or perfusion index, the final measurement is a direct feedback on the health status of the body to achieve the desired effect.

The oxygen saturation monitoring (Spo2 monitor) mentioned above is one of the most important clinical data. The oxygen consumed by the human body mainly comes from hemoglobin. It is usually said that the oxygen content in the blood refers to the amount of oxygenated hemoglobin in the blood. Oxygen saturation is used to describe the change of oxygen content in the blood. It is an important index to reflect the oxygen condition in the body. Under normal circumstances, the normal value of blood oxygen satiety should not be less than 94%.

Pulse frequency monitoring with finger pulse oximeter is one of the most commonly used measurement functions. Pulse is to point to the pulse of superficial artery, the pulse of normal person and heartbeat are consistent, this also is the standard that direct feedback body function is healthy.

Speaking of the perfusion index of finger pulse oximeter, I believe that most people are relatively unfamiliar. The so-called perfusion index can directly reflect the limb perfusion condition of the detected person, that is to say, the greater the focus index value is, the larger the pulsating blood flow is, and the greater the pulsating component is. Therefore, the human body's neuroregulatory system will directly affect the perfusion index.

I have shared so many knowledge points about finger pulse oximeter with you. Although the content is a little boring, it allows us to understand our own physical condition in real time and protect our health.


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