Page 23 - Demo
P. 23
Approach to Blood Gas Abnormalities%u2022 Assess pH:%u2022 Acidemia: pH < 7.35%u2022 Alkalemia: pH > 7.45%u2022 Evaluate respiratory component (PaCO2):%u2022 PaCO2 > 6.0 kPa: Respiratory acidosis or compensation for metabolic alkalosis%u2022 PaCO2 < 4.7 kPa: Respiratory alkalosis or compensation for metabolic acidosis%u2022 Assess metabolic component (HCO3- or base excess):%u2022 HCO3- < 22 mmol/L or BE < -2 mmol/L: Metabolic acidosis or compensation for respiratory alkalosis%u2022 HCO3- > 26 mmol/L or BE > +2 mmol/L: Metabolic alkalosis or compensation for respiratory acidosis
