The process of blood gas and ph measurement involves preheating the arterial blood sample to normal body temperature 37 c prior to measurement of ph partial pressure of oxygen p o 2 and partial pressure of carbon dioxide p co 2 this ensures that results reflect in vivo temperature condition a minority of patients who require blood gas . Temperature correction of blood gas and ph measurements clin chem 1983 nov29111877 85 authors e r ashwood g kost m kenny pmid 6354511 abstract we critically review formulas for temperature correction of ph pco2 and po2 measurements in whole blood and the clinical usefulness of these formulas we discuss both the theoretical derivation and experimental verification of temperature . Table 1 illustrates changes in blood gases during alpha stat and ph stat regimens as body temperature decreases from 37c to 30c table 1 an example of chang es in blood gases during alpha stat and ph stat regimens as body temperature bt de creases from 37c to 30c bt 37c bt 30c alpha stat pco 2 mmhg 40 after rewarming to 37c in blood gas analyzer 40. Temperature adjustment of blood gases and ph nov 20 2020 posted by yasuo uchida ltd text id 244239c8 online pdf ebook epub library shipping on qualifying offers temperature effect on blood gases two strategies have been developed for the management of arterial gas partial pressures during management of hypothermic patients such as during hypothermic cardiopulmonary bypass hcpb or deep