oximetry

oximetry
Procedure using a device to measure oxygen saturation by fluctations of light absorption in well-vascularized tissue during systole and diastole. The underlying principle is Beer law, or the relationship between the amount of light absorbed by a solute in solution and the concentration of the unknown solute.
- pulse o. o. performed noninvasively, usually on the finger or ear lobe, in which the small increase in absorption of light during the systolic pulse is used to calculate oxygen saturation.

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ox·im·e·try -ə-trē n, pl -tries measurement of the blood's oxygen saturation by means of an oximeter

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ox·im·e·try (ok-simґə-tre) determination of the oxygen saturation of arterial blood using an oximeter.

Medical dictionary. 2011.

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Look at other dictionaries:

  • oximetry — noun see oximeter …   New Collegiate Dictionary

  • oximetry — /ok sim i tree/, n. Med. the measuring of oxygen saturation of the blood by means of an oximeter. [1940 45; OX + I + METRY] * * * …   Universalium

  • oximetry — noun The measurement of the oxygen level in arterial blood See Also: oximeter …   Wiktionary

  • oximetry — n. measurement of the amount of oxygen in a substance (especially in hemoglobin) …   English contemporary dictionary

  • oximetry — ox·im·e·try …   English syllables

  • oximetry — äkˈsimə.trē noun ( es) Etymology: International Scientific Vocabulary ox (I) + i + metry : the use of an oximeter * * * /ok sim i tree/, n. Med. the measuring of oxygen saturation of the blood by means of an oximeter. [1940 45; …   Useful english dictionary

  • Pulse oximetry — Pulse oximeter 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,… …   Wikipedia

  • cerebral oximetry — noun A noninvasive method of measuring oxygen metabolism in the brain. See Also: cerebral oximeter …   Wiktionary

  • pulse oximetry — noun A non invasive method allowing the monitoring of the oxygenation of a patients hemoglobin, using a sensor placed on a thin part of the patients anatomy, usually a fingertip or earlobe …   Wiktionary

  • pulse oximetry — a noninvasive method of indicating the arterial oxygen saturation of functional hemoglobin, using a pulse oximeter …   Medical dictionary

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