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Question 1 of 35

A client has arterial blood gases drawn. The results are as follows: pH, 7.58; PaCO2, 48 mm Hg; HCO3, 44 mEq/L, Base Excess, +13 mEq/L. Which condition is indicated?

Rationale:
Metabolic alkalosis is indicated. The elevated pH of 7.58, along with a high HCO3 of 44 mEq/L, signifies an increase in bicarbonate levels, which confirms a state of metabolic alkalosis despite the elevated PaCO2. A: respiratory alkalosis The pH is high, but the increased PaCO2 contradicts the criteria for respiratory alkalosis, which typically presents with decreased carbon dioxide levels. B: respiratory acidosis The pH is elevated, indicating alkalosis, while respiratory acidosis would show a low pH and elevated PaCO2, which is not the case here. D: metabolic acidosis The pH level is too high for metabolic acidosis, which is characterized by low pH and decreased HCO3, contrary to the provided results.