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Fatal hydrogen sulfide poisoning.

M Campanyà, P Sanz, R Reig

    La Medicina Del Lavoro
    |May 1, 1989
    PubMed
    Summary

    Fatal hydrogen sulfide (H2S) poisoning occurred in two individuals during tank cleaning after polysulfide transport. Autopsies revealed characteristic H2S toxicity, emphasizing the need for strict safety protocols during industrial chemical handling.

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    Area of Science:

    • Toxicology
    • Occupational Health
    • Forensic Pathology

    Background:

    • Hydrogen sulfide (H2S) is a toxic gas commonly encountered in industrial settings, particularly during the handling of sulfur-containing compounds like polysulfides.
    • Accidental H2S poisoning can lead to rapid and severe health consequences, necessitating a thorough understanding of its toxicological profile.

    Observation:

    • Two fatal cases of hydrogen sulfide poisoning are presented, stemming from the cleaning of a tank previously used for polysulfide transport.
    • Autopsies revealed distinctive macroscopic and microscopic findings, including blackish-green pigmentation, pulmonary edema, steatosis, intrahepatic cholestasis, and renal tubular necrosis.

    Findings:

    • Blood sulfide ion concentrations in the affected individuals exceeded 3.5 mg/l, confirming significant H2S exposure.

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  • The observed pathological changes are consistent with known mechanisms of acute hydrogen sulfide toxicity.
  • Comparison with existing literature highlights the characteristic presentation of fatal H2S poisoning in this context.
  • Implications:

    • These cases underscore the critical importance of implementing robust safety measures and personal protective equipment when working in environments with potential hydrogen sulfide exposure.
    • Proper risk assessment and adherence to safety protocols are essential to prevent fatalities during industrial cleaning operations involving hazardous chemicals.
    • The findings contribute to the medical and forensic understanding of hydrogen sulfide poisoning, aiding in future prevention and investigation efforts.