Based on the following ABG results, what is the most likely acid-base diagnosis? pH = 7.38, PCO₂ = 21 mm Hg, HCO₃^- = 11.7 mEq/L

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The patient's pH is normal so either the gas is normal or fully compensated. As the PCO₂and HCO₃^-are both low, a fully compensated state exists. As the pH is on the low side of normal the fully compensated disorder would be acidosis. This would be caused by a low HCO₃^- or a high PCO₂. In this case a low HCO₃^-. The low PCO₂ is compensating for this metabolic acidosis.

Based on the Following ABG Results, What Is the Most