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A case of tetramine poisoning: a lethal rodenticide

W T Poon1, K Chan, M H Lo

  • 1Hospital Authority Toxicology Reference Laboratory, Princess Margaret Hospital, Laichikok, Hong Kong. poonwt@ha.org.hk

Hong Kong Medical Journal = Xianggang Yi Xue Za Zhi
|December 13, 2005
PubMed

Insights

A fatal suicide case involved tetramine rodenticide poisoning, leading to convulsions and multi-organ failure. Doctors should be alert to this banned but available toxin, especially in China.

Area of Science:

  • Toxicology
  • Emergency Medicine
  • Clinical Case Study

Background:

  • Tetramine is a highly toxic rodenticide known for rapid action and high mortality.
  • Despite being banned globally, tetramine remains accessible in Mainland China, posing a public health risk.
  • Rodenticide poisoning can present with severe neurological and systemic symptoms.

Observation:

  • A patient presented with convulsions and subsequent multi-organ failure, initially without a clear diagnosis.
  • Tetramine poisoning was identified retrospectively through blood, urine, and food residue analysis.
  • The delayed diagnosis highlights the challenge in recognizing obscure toxicological emergencies.

Findings:

  • Tetramine poisoning was confirmed as the cause of the fatal outcome.
  • The case underscores the potential for severe, rapid-onset toxicity from tetramine.
  • Delayed detection of tetramine contributed to the unfavorable prognosis.

Implications:

  • Healthcare providers, particularly in regions with tetramine availability, must maintain a high index of suspicion for this poison.
  • Prompt diagnostic measures are crucial for managing tetramine poisoning effectively.
  • Public health strategies are needed to address the continued availability of banned toxic substances like tetramine.

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