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Arterial Blood Gases - Surgery

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Acid-Base Acid Base Balance<br />

pH = 6.1 + log HCO 3 -<br />

pH ~ HCO 3 -<br />

PCO 2<br />

0.03 × PCO 2<br />

metabolic component<br />

respiratory component<br />

When HCO 3 - is 24 mmol/L and PaCO2 is 40 mm Hg, the pH is 7.40

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