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  • Title: Intravenous Poison Hemlock Injection Resulting in Prolonged Respiratory Failure and Encephalopathy.
    Author: Brtalik D, Stopyra J, Hannum J.
    Journal: J Med Toxicol; 2017 Jun; 13(2):180-182. PubMed ID: 28168558.
    Abstract:
    BACKGROUND: Poison hemlock (Conium maculatum) is a common plant with a significant toxicity. Data on this toxicity is sparse as there have been few case reports and never a documented poisoning after intravenous injection. OBJECTIVES: We present a case of intravenous poison hemlock injection encountered in the emergency department. CASE REPORT: We describe a 30-year-old male who presented to the emergency department after a brief cardiac arrest after injecting poison hemlock. The patient had return of spontaneous circulation in the emergency department but had prolonged muscular weakness and encephalopathy later requiring tracheostomy. CONCLUSION: Intravenous injection of poison hemlock alkaloids can result in significant toxicity, including cardiopulmonary arrest, prolonged weakness, and encephalopathy.
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