Pulse OximeterA pulse Oximeter measures the proportion of oxygenated hemoglobin in the blood in pulsating vessels, especially the capillaries of the finger or ear. Pulse oximetry is a test used to measure the oxygen level (oxygen saturation) of the blood. It is an easy, painless measure of how well oxygen is being sent to parts of the body furthest from heart, such as the arms and legs. Pulse oximeter is placed on a body part, such as a finger or ear lobe. The probe uses light to measure how much oxygen is in the blood. This information helps the healthcare provider decide if a person needs extra oxygen.
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