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Salicylate poisoning — RCPSC EM MCQ

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HardToxicologySalicylate poisoningRCPSC EM

A 27-year-old woman presents after ingesting aspirin. She is tachypnoeic, vomiting and confused. ABG shows pH 7.48, PaCO2 20 mmHg, bicarbonate 15 mmol/L; salicylate level is pending. What is the most appropriate investigation?

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Correct answer: C — Repeat salicylate levels with serial blood gases and electrolytes

Salicylate toxicity can have delayed absorption and mixed respiratory alkalosis/metabolic acidosis. Serial levels and acid-base monitoring guide alkalinisation and dialysis decisions.

Reference: Poison centre toxicology guidance; Goldfrank-style ED toxicology principles