Oximetry is a procedure used to measure the concentration of oxygen in the blood. Oximetry is used in the evaluation of various medical conditions that affect the function of the heart and lungs. Pulse oximeters are the most common oximeter used because they respond only to pulsations. Oximetry can also be done on blood within the heart, or on whole blood that has been removed from the body. Similar technology to oximetry is currently used to measure carbon dioxide levels at the skin. Read more: Oximetry Article
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