(See ABG Note: well compensated chronic resp alkalosis may be confused with metabolic acidosis if the pCO2 is between 12 to 24 mm Hg. PCO2 < 35 mm Hg: indicates a Respiratory Alkalosis, usually due to Hyperventilation;
Common etiologies include Anxiety, Acidemia (compensation), CNS injury Pneumothorax, Fever, PE, Pregnancy, Hepatic cirrhosis, and toxins;
- Note: resp alkalosis may cause hypokalemia and Hypocalcemia