Pulse Oximetry: Results and Values (Oxygen Saturation, O2 Saturation)

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You are here : 3-RX.com > Medical Encyclopedia > Tests and Exams > Pulse Oximetry: Results and Values
Category : Health Centers > Respiratory System (Lungs and Breathing)

Pulse Oximetry

Alternate Names : Oxygen Saturation, O2 Saturation

Pulse Oximetry | Preparation & Expectations | Results and Values

What do the test results mean?

A reading lower than 90% may be due to any factor which affects blood, hemoglobin, and oxygen circulation in the body. These may include:

excessive bleeding

lung problems, such as pneumonia

cigarette smoking

blood vessel problems

long-standing respiratory disease, or chronic obstructive pulmonary disease. Below normal SaO2 readings may be the norm for individuals with this condition.

If any of these complications are present, the healthcare provider may order additional tests to better assess oxygen saturation.

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Pulse Oximetry: Preparation & Expectations

Author: Pam Rosenthal, RN, BSN, CCM
Reviewer: Gail Hendrickson, RN, BS
Date Reviewed: 09/04/01

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