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#1 |
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Hyperthermia decreases the solubility of O2 in blood, and therefore increases the PaO2 Hypothermia increases the solubility of O2 in blood, and therefore decreases the PaO2 It appears that although these concepts are true, it is unnecessary to make corrections in the PaO2's of ABG's in hypo/hyperthermic pts. Does this accurately sum up this keyword? Any additional info or links to good articles would be appreciated. |
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#2 |
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http://images.google.de/imgres?imgur...%3Dde%26sa%3DN
Snow White's mother, the late good queen, lost a drop of capillary blood in the snow while doing her stitchwork, and it looked red (not purple) - this proves the enhanced binding of O2 to hemoglobin in cold temperatures ![]() So, does anyone know how much it matters within the range of possible body temperatures? |
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#3 |
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Faust page 22 Blood Gas Temperature Correction has a nice, short description. It's related to pH-stat or alpha-stat management of blood gases while hypothermic (on bypass). The pH and PaCO2 temp difference seems most important. Clinically I don't think the effect of temp on PaO2 is important (other than to know the concept).
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