Interpret the following ABG: pH 7.49, pCo2 30 mmHg, HCO3 23 Meq/L. PaO2 96 mmHg. SaO2 98%

Rationale: A. pH: 7.49 is elevated (normal range: 7.35–7.45), indicating alkalosis. PaCO₂: 30 mmHg is low (normal range: 35–45 mmHg), reflecting respiratory alkalosis. HCO₃⁻: 23 mEq/L is normal (normal range: 22–26 mEq/L) → Not a metabolic cause. PaO₂: 96 mmHg and SaO₂: 98% indicates normal oxygenation. Since the pH is high (alkalotic), and the PaCO₂ is low (respiratory alkalosis cause), and HCO₃⁻ is normal, the imbalance is uncompensated respiratory alkalosis B. Metabolic alkalosis would show high pH and high HCO₃⁻ C. Respiratory acidosis would show low pH and high PaCO₂ D. Metabolic acidosis would show low pH and low HCO₃⁻