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Interpret the arterial blood gas results:

pH: 7.30
pCO₂: 58
pO₂: 88
HCO₃: 22
O₂ Sat: 92%
A. Respiratory acidosis.
B. Metabolic alkalosis.
C. Respiratory alkalosis.
D. Metabolic acidosis.

User GChaves
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1 Answer

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Final answer:

The arterial blood gas results indicate a state of Respiratory Acidosis without full metabolic compensation, characterized by a low pH of 7.30 and an increased pCO₂ of 58.

Step-by-step explanation:

The interpretation of the arterial blood gas (ABG) results provided indicates a pH of 7.30, pCO₂ of 58, HCO₃ of 22, and O₂ Sat of 92%. Given the reference values for arterial blood which are a pH of 7.35-7.45, pCO₂ for males at 35-48 mm Hg, and total venous bicarbonate at 22-29 mM, we can diagnose the condition.

The low pH below 7.35 signifies an acidotic state. The elevated pCO₂ and normal HCO₃ indicate that the respiratory system is the source of the acidosis, due to the excess CO₂ present in the blood. Since the HCO₃ is within the normal range, there has not been significant metabolic compensation. Therefore, the correct classification of the ABG results is Respiratory Acidosis without full compensation.

User Chris Dolan
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