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What is Pulse Oximetry Technology Explained about?

Pulse oximetry uses red and infrared light to measure the oxygen saturation of hemoglobin in the blood. Oxygenated hemoglobin absorbs more infrared light and less red light, while deoxygenated hemoglobin absorbs more red light and less infrared light. The ratio of absorbed red and infrared light is used to calculate oxygen saturation levels by comparing it to lookup tables derived from calibration studies. The pulse oximetry measurement relies on the pulsating arterial blood flow, measuring peak light absor

Author

Popescu Alexandru

Language

EN