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Pulse Oximeter

Pulse Oximeter

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 can be read on the display.

The pulse oximeter often has an alarm for blood oxygen levels that fall below a safe level.

Current as of: September 4, 2013

Author: Healthwise Staff

Medical Review: Adam Husney, MD - Family Medicine & John M. Freedman, MD - Anesthesiology

This information does not replace the advice of a doctor. Healthwise, Incorporated disclaims any warranty or liability for your use of this information. Your use of this information means that you agree to the Terms of Use. How this information was developed to help you make better health decisions.

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