Toxicology USMLE Step 1 Practice Question
A 46-year-old man presents to the emergency department 2 hours after ingesting windshield washer fluid. He is confused and reports blurred vision. Vital signs: BP 118/76 mmHg, HR 102/min, RR 22/min, temperature 37.2°C, SpO2 98% on room air. Laboratory studies show anion gap metabolic acidosis (pH 7.28, bicarbonate 16 mEq/L) with elevated osmolar gap of 18 mOsm/kg. Serum glucose is normal. Which of the following is the most appropriate antidotal therapy?
Answer choices
- AN-acetylcysteine
- BHydroxocobalamin
- CMethylene blue
- DFomepizoleCorrect answer
- EDeferoxamine
- FEthanol infusion
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