Difference between revisions of "Pulse oximetry"
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| + | <span style="color:#FF0000">This article is a [[stub]]. You can help the '''Apnea Board Wiki''' by expanding it with additional information and sections. For help on the proper way to edit a wiki page, go to the [[Apnea Board Editor Guide]]. | ||
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| + | '''Pulse oximetry''' is a non-invasive method allowing the monitoring of the oxygenation of a patient's hemoglobin. | ||
| + | A sensor is placed on a thin part of the patient's body, usually a fingertip or earlobe, or in the case of an infant, across a foot. Light of two different wavelengths is passed through the patient to a photodetector. The changing absorbance at each of the wavelengths is measured, allowing determination of the absorbances due to the pulsing arterial blood alone, excluding venous blood, skin, bone, muscle, fat, and (in most cases) fingernail polish. | ||
| − | + | The device used for pulse oximetry is called a [[pulse oximeter]]. | |
Revision as of 18:03, 1 February 2012
This article is a stub. You can help the Apnea Board Wiki by expanding it with additional information and sections. For help on the proper way to edit a wiki page, go to the Apnea Board Editor Guide.
Pulse oximetry is a non-invasive method allowing the monitoring of the oxygenation of a patient's hemoglobin.
A sensor is placed on a thin part of the patient's body, usually a fingertip or earlobe, or in the case of an infant, across a foot. Light of two different wavelengths is passed through the patient to a photodetector. The changing absorbance at each of the wavelengths is measured, allowing determination of the absorbances due to the pulsing arterial blood alone, excluding venous blood, skin, bone, muscle, fat, and (in most cases) fingernail polish.
The device used for pulse oximetry is called a pulse oximeter.
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