Interpreat ABG

pH normal ?

• 7.20 - 7.40

• 7.30- 7.40

• 7.35 - 7.45

• 7.40 - 7.50

PaCO2 ?

• 30 - 40

• 35 - 45

• 40 - 45

• 45 - 50

HCO3 ?

• 20 - 22

• 22 - 24

• 22 - 26

• 24 - 26

ABG; pH 7.38, CO2 42, HCO3 23, O2 85

• Res. acidosis c Fully compensated

  c no hypoxemia

• Met acidosis c partial compensated

  c hypoxemia

• normal ABG c hypoxemia

• normal

ABG; pH 7.30, PaCO2 48, HCO3 25, PaO2 65

• Met. acidosis c uncompensated

  c mild hypoxemia

• Res. acidosis c uncompensated

  c mild hypoxemia

• Res. alkalosis c partial compensated

  by met. acidosis c mild hypoxemia

• Met. acidosis c partial compensated

  by res. alkalosis

  c moderated hypoxemia

ABG; pH 7.49, PaCO 40, HCO3 28, PaO2 120

• Res. alkalosis c Fully compensated c no hyperoxemia

• Met. acidosis c uncompensated c hyperoxemia

• Res. alkalosis c Fully compensated c no hypoxemia

• Met. alkalosis c uncompensated c hyperoxemia

ABG; pH 7.38, PaCO2 50, HCO3 30, PaO2 67

• Res. acidosis c Fully compensated

  by met. alkalosis

  c hypoxemia

• Met. acidosis c Partly compensated

  by res. alkalosis

  c hyperoxemia

• Res. alkalosis c Fully compensated

  by met. acidosisosis

  c hypoxemia

• Met. alkalosis c Partly compensated

  by res. acidosisosis

  c hyperoxemia

ABG; pH 7.42, PaCO2 50, HCO3 29, PaO2 110

• Normal

• Met. alkalosis

  c fully compensated by res. acidosis c hyperoxemia

• Met. alkalosis

  c complete compensated by res. acidosis c hyperoxemia

• Res. acidosis

  c complete compensated by met. alkalosis c hyperoxemia

ABG; pH 7.36, PaCO2 50, HCO3 29, PaO2 150

• Res. acidosis c fully compensated by met. alkalosis c hypperoxemia

• Met. acidosis c fully compensated by res. alkalosis c hypperoxemia

• Normal

• Hypperoxemia

ABG; pH 7.50, PaCO2 30, HCO3 29, PaO2 90

• Res. alkalosis c partial compensated by met acidosis c no hypoxemia

• Met. alkalosis c partial compensated by res acidosis

• Normal

• Mixed alkalosis