Which extrapyramidal findings are characteristic of organophosphate (OP) toxicity?

Updated: Dec 31, 2020
  • Author: Kenneth D Katz, MD, FAAEM, ABMT; Chief Editor: Sage W Wiener, MD  more...
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Extrapyramidal effects are characterized by dystonia, cogwheel rigidity, and parkinsonian features (basal ganglia impairment after recovery from acute toxicity). Other possible neurologic and/or psychological effects include Guillain-Barré–like syndrome and isolated bilateral recurrent laryngeal nerve palsy.

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