Salicylate poisoning — RCPSC EM MCQ
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Correct answer: D — Start bicarbonate alkalinization and arrange urgent dialysis with poison-centre input
Explanation lettering: B = shown as A · C = shown as B · E = shown as C · A = shown as D · D = shown as E
A is correct: CNS toxicity, lung injury and renal impairment in delayed toxicity are dialysis indications regardless of a deceptively normal pH; alkalinization begins while dialysis is arranged. B ignores the mixed disorder. C can cause abrupt acidemia. D promotes systemic acidosis. E delays definitive elimination.
Reference: Ontario Poison Centre, Salicylates protocol: https://www.ontariopoisoncentre.ca/siteassets/pdfs/english/protocols/salicylates_4-pages.pdf