A blood pressure monitor may be one of the most recognizable medical tools we have, but pulse oximeters are a close second for the most-used medical devices. Pulse oximeters, or pulse ox, measure the ...

Normal blood oxygen level is either 95%-100% SpO2 on an oximeter or 80-100 mm Hg from an ABG test. ABG tests are more accurate than pulse oximeters, which have a ...

A pulse oximeter is a small device that can measure the oxygen saturation in your blood. Pulse oximetry is useful for people with chronic lung or heart conditions, who need to monitor how well oxygen ...

What Is a Pulse Oximeter? A pulse oximeter, or pulse ox, is an electronic device that can be attached to your forehead, fingers, nose, foot, toes, or ears. A nurse or medical assistant usually clamps ...

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I mentioned in a previous post that I had purchased a home pulse oximeter and had used it to monitor my oxygen saturation (SpO2) levels during the time I had COVID-esque symptoms recently. Personally, ...

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Dr. Takuo Aoyagi, a Japanese bioengineer, was the first to invent pulse oximetry in 1974. 2 The pulse oximeter is based on the light absorption characteristics of hemoglobin at different wavelengths.