Arterial Blood Gases - Surgery
Arterial Blood Gases - Surgery
Arterial Blood Gases - Surgery
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Metabolic Acidosis<br />
Uncompensated: ↓ pH, ↓ HCO -<br />
3 , nl PaCO Pa<br />
Compensated: nl pH, ↓ HCO -<br />
3 , ↓ Pa<br />
PaCO<br />
CO 2<br />
CO 2<br />
Causes: hypoxia (lactic acidosis), diabetes<br />
(ketoacidosis), renal failure (uremic acidosis),<br />
GI loss of HCO -<br />
3 (diarrhea), renal loss of<br />
HCO -<br />
3 (renal tubular acidosis, diamox),<br />
poisons (aspirin, methanol, ethylene glycol)<br />
Treatment: treat cause, buffer