Physics · Acid-Base Imbalances
A 3-week-old infant presents with persistent projectile vomiting and a palpable olive-shaped mass in the right upper abdomen, indicative of hypertrophic pyloric stenosis. Which set of Arterial Blood Gas (ABG) values represents the expected acid-base imbalance?
- 1pH 7.28, HCO3- 22 mEq/L, pCO2 50 mmHg
- 2pH 7.40, HCO3- 24 mEq/L, pCO2 40 mmHg
- 3pH 7.52, HCO3- 36 mEq/L, pCO2 46 mmHg✓
- 4pH 7.32, HCO3- 18 mEq/L, pCO2 35 mmHg
Correct answer
pH 7.52, HCO3- 36 mEq/L, pCO2 46 mmHg
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