Salicylate poisoning with mixed acid-base disorder — SCE Acute Medicine MCQ
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Correct answer: D — Start intravenous sodium bicarbonate for urinary alkalinisation and seek toxicology advice
Salicylate poisoning produces mixed respiratory alkalosis and metabolic acidosis; urinary alkalinisation with IV sodium bicarbonate enhances elimination in significant poisoning. Suppressing respiratory compensation can precipitate severe acidaemia and CNS salicylate entry. Acetylcysteine is for paracetamol poisoning. Serial salicylate levels, electrolytes and acid-base status are essential.
Reference: TOXBASE salicylate poisoning, BNF