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Organophosphate poisoning — ACEM Fellowship MCQ

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HardToxicologyOrganophosphate poisoningACEM Fellowship

A 55-year-old farmer presents to a rural ED, triage category 1, after pesticide exposure. He has salivation, bronchorrhoea, wheeze, miosis and fasciculations. BP 96/58, HR 48, SpO2 88% despite oxygen. Staff note chemical odour on clothing. What is the most likely diagnosis?

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Correct answer: COrganophosphate poisoning

Cholinergic excess with bronchorrhoea, bradycardia, miosis and fasciculations after pesticide exposure indicates organophosphate poisoning.

Reference: Poisons Information Centre guidance; eTG toxicology