Paper I
2024 June (Supplementary) (2019 Scheme) · 100 marks · 180 min

Question

Treatment of organophosphorous poisoning.

Q114 marksShort Answers

Answer

  • General measures: remove from contaminated area, decontaminate skin, maintain airway/breathing/circulation, suction secretions, oxygen.
  • Atropine — competitively blocks muscarinic receptors, reversing bronchorrhoea, bronchospasm, bradycardia, secretions; titrated to effect, often requiring large repeated doses.
  • Pralidoxime (2-PAM) — reactivates acetylcholinesterase, reversing both muscarinic and nicotinic effects, most effective given early before the enzyme-organophosphate complex “ages.”
  • Diazepam — controls seizures/agitation, reduces mortality when given alongside atropine and pralidoxime.

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