Volume 20, Issue 2 (April 1975)

    Digoxin Concentrations in Postmortem Specimens After Overdose and Therapeutic Use

    (Received 5 August 1974; accepted 25 September 1974)

    Published Online: April

    CODEN: JFSOAD

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    Abstract

    The detection and evaluation of digitalis glycosides in autopsy specimens has been a serious problem for both medical examiners and toxicologists alike. Methods utilizing thin-layer chromatography or colorimetric techniques depended on a significant quantity of this drug remaining unabsorbed in the stomach or excreted into the urine. Digoxin, the most potent drug of this group and the form prescribed most frequently, is effective therapeutically in a dose range from 0.25 to 0.50 milligrams per day. This dose gives rise to therapeutic blood concentrations of 1.0 to 1.4 nanograms per millilitre [1]. Toxic effects of digoxin often begin to appear at 2.0 ng/ml. In view of these extremely low concentrations, even after an overdose with digitalis, detection of this drug in blood by conventional techniques could not be accomplished. The introduction of radioimmunoassay tests for these substances has provided an answer to this problem. Blood values of digoxin as low as 0.2 ng/ml can now be detected and measured reliably.


    Author Information:

    Garriott, JC
    Instructor, University of Texas Health Sciences Center at Dallas, Dallas, Texas

    Putnam, R
    Associate professor, University of Texas Health Sciences Center at Dallas, Dallas, Texas

    DiMaio, VJM
    Assistant professor, University of Texas Health Sciences Center at Dallas, Dallas, Texas


    Stock #: JFS10281J

    ISSN: 0022-1198

    DOI: 10.1520/JFS10281J

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    Author
    Title Digoxin Concentrations in Postmortem Specimens After Overdose and Therapeutic Use
    Symposium , 0000-00-00
    Committee E30