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pulse oximeter |
Also found in: Wikipedia | 0.02 sec. |
pulse oximeter, a device that measures the amount of saturated hemoglobin in the tissue capillaries by transmitting a beam of light through the tissue to a receiver. This noninvasive method of measuring the saturated hemoglobin is a useful screening tool for determining basic respiratory function. This cliplike device may be used on either the earlobe or the fingertip. As the amount of saturated hemoglobin alters the wavelengths of the transmitted light, analysis of the received light is translated into a percentage of oxygen saturation (SO2) of the blood. Also called (informally) pulse ox. Compare blood gas determination. pulse oximeter Critical care A device that measures the difference in the light transmitted by oxygenated and deoxygenated Hb caused by their differences in light absorption within the circulation; the PO takes advantage of these differences
and provides an indirect measurement of the arterial Hb O2 saturation How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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| It employs Ohmeda's new hand-held pulse oximeter, a blood oxygen monitor that is more apt to be used in a hospital than a space shuttle. |
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