Rishi Kumar, MD - How do pulse oximeters work? 🤔 . The pulse oximeter ("pulse ox") is perhaps the best non-invasive, continuous monitor ever created. It uses a light emitter and photodetector
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![The pulse oximeter signal in the red and IR channels with artificial... | Download Scientific Diagram The pulse oximeter signal in the red and IR channels with artificial... | Download Scientific Diagram](https://www.researchgate.net/publication/258815122/figure/fig1/AS:341680881455139@1458474478868/The-pulse-oximeter-signal-in-the-red-and-IR-channels-with-artificial-modulation-at-a.png)