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    Volume 32, Issue 5 (September 1987)

    Fatal Intoxication by Tocainide

    (Received 17 November 1986; accepted 15 December 1986)

    Published Online: 1987


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    A 26-year-old woman committed suicide by ingestion of a large quantity of tocainide, a recently developed oral antiarrhythmic agent with chemical similarities to lidocaine. Blood and bodily fluid analysis by thin-layer chromatography, high pressure liquid chromatography, and mass spectroscopy confirmed the presence of tocainide, with a serum level of 68 mg/L, nearly 7 times the upper recommended therapeutic level for this drug. Tocainide was also detected at significant levels in vitreous fluid and bile. Although the mechanism of death from tocainide intoxication in animal studies is related to central nervous system toxicity, the presentation of ventricular tachyarrhythmias with coma in this patient suggests that tocainide at high levels may have primary myocardiotoxicity in humans.

    Author Information:

    Standefer, JC
    Professor, University of New Mexico School of Medicine, Albuquerque, NM

    Sperry, K
    Medical investigator, Office of the Medical Investigator for the State of New Mexico, Albuquerque, NM

    Wohlenberg, N
    Supervisor, Drug Analysis Section, Scientific Laboratory Division of the New Mexico Health and Environment Department, Albuquerque, NM

    Stock #: JFS11193J


    DOI: 10.1520/JFS11193J

    Title Fatal Intoxication by Tocainide
    Symposium ,
    Committee E30