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pulse oximeter definition | Concept | Medical Knowledge Base

Knowledge Base/Concept/pulse oximeter definition

pulse oximeter definition

A pulse oximeter is a device that checks how much oxygen is in the blood. A small clip is put on a finger, toe, or earlobe. The light beam in the clip measures the oxygen of the red blood cells that move through the cells in the finger, toe, or earlobe. The person's oxygen level...

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Last updated: Jan 7, 2026

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