What is the primary acid–base disturbance in an ABG with pH 7.30, PaCO2 48 mmHg, and HCO3- 22 mEq/L, and what does this imply about compensation?

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Prepare for the Mark Klimek Electrolytes and Endocrine Test. Utilize flashcards, multiple choice questions, and detailed explanations for each query to enhance your understanding. Ace your exam!

Multiple Choice

What is the primary acid–base disturbance in an ABG with pH 7.30, PaCO2 48 mmHg, and HCO3- 22 mEq/L, and what does this imply about compensation?

A respiratory acidosis with little to no metabolic compensation. The high PaCO2 of 48 mmHg shows hypoventilation driving acidemia, as reflected by the pH of 7.30. The bicarbonate is not elevated (it’s around normal), so there isn’t meaningful renal metabolic compensation yet. In respiratory acidosis, compensation would raise HCO3- over normal levels; since that isn’t occurring, there’s minimal or no compensation at this time.

What is the primary acid–base disturbance in an ABG with pH 7.30, PaCO2 48 mmHg, and HCO3- 22 mEq/L, and what does this imply about compensation?

Prepare for the Mark Klimek Electrolytes and Endocrine Test. Utilize flashcards, multiple choice questions, and detailed explanations for each query to enhance your understanding. Ace your exam!

What is the primary acid–base disturbance in an ABG with pH 7.30, PaCO2 48 mmHg, and HCO3- 22 mEq/L, and what does this imply about compensation?

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