PMID: 45493Sep 1, 1976

Assessment of clinical laboratory techniques in the measurement of oxygen saturation in whole blood

Angiology
R SarmaJ L Johnson

Abstract

The accuracy and advantages of determining percentage of hemoglobin oxygen saturation of whole blood by advanced instruments of oximetry, gas chromatography, and the computation of oxygen saturation from pO2 and pH data are compared with the Van Slyke-Neill manometric method. It was found that oximetry is extremely fast, less expensive, and more accurate than in the past, the apparatus requires little training to operate and has diminutive service maintenance. The gas chromatograph proved to be highly accurate and could serve as a standard calibration check method in place of the more time-consuming Van Slyke-Neill apparatus for oximetry and pO2 and pH electrode instrumentation. Computation of O2 saturation from pO2 and pH data also proved to be accurate, confirming that this method is more useful during cardiac surgery because it can provide additional acid-base information. In the low oxygen saturation range (less than 60%), all three methods proved to be of similar sensitivity.

References

May 26, 2012·International Journal of Trichology·Annapurna Kumar, Kaliaperumal Karthikeyan

Citations

May 1, 1966·Journal of Applied Physiology·J W SEVERINGHAUS
Nov 1, 1958·Journal of Applied Physiology·J W SEVERINGHAUS, A F BRADLEY
Jan 1, 1961·The American Journal of Physiology·D M GOMEZ
Mar 1, 1961·Journal of Applied Physiology·D S LUKAS, S M AYRES
Mar 1, 1961·Journal of Applied Physiology·R H WILSONE HIGGINS
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Related Concepts

Dioxygen
Whole Blood
Tonometry
Molecular Oxygen Saturation
Discipline of Heart Surgery
Oxygen Saturation Measurement
Whole Blood Specimen
Chromatography, Gas-Liquid
Specimen Type - Electrode
Arterial Blood Gases % Oxygen Saturation (Lab Test)

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