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Fatal cerebral haemorrhage after tiger snake (Notechis scutatus) envenomation
J Tibballs1, R D Henning, S K Sutherland
1Intensive Care Unit, Royal Children's Hospital, Parkville, Vic.
Insights
Tiger snake venom can cause life-threatening coagulopathy. Prompt and correct first-aid, including pressure-immobilisation bandages, and vigilant coagulation monitoring are crucial for effective treatment of tiger snake (Notechis scutatus) envenomation.
Area of Science:
- Toxicology
- Herpetology
- Emergency Medicine
Background:
- Tiger snake (Notechis scutatus) envenomation presents a significant risk due to venom-induced coagulopathy.
- Effective management hinges on rapid and appropriate first-aid and timely medical intervention.
Observation:
- A case of a child envenomated by a tiger snake highlights the potential for fatal outcomes despite antivenom administration.
- Inadequate first-aid, specifically the absence of a pressure-immobilisation bandage, was noted.
- The patient experienced a fatal cerebral haemorrhage, underscoring the severity of venom effects.
Findings:
- The study emphasizes the critical role of correct first-aid in managing snakebites.
- Insufficient monitoring of coagulation status in hospital potentially impacted treatment efficacy.
- Antivenom administration alone may not be sufficient without optimal supportive care and monitoring.
Implications:
- Enhanced public education on snakebite first-aid is essential.
- Regular monitoring of coagulation parameters is vital for guiding antivenom and coagulation factor therapy.
- This case underscores the need for accessible coagulation monitoring facilities in healthcare settings managing snakebites.
Objective:
This case report illustrates the threat to life posed by tiger snake venom-induced coagulopathy, the importance of first-aid, precautions with antivenom administration, the dose of antivenom and the necessity to monitor the coagulation status.
Case Summary:
An 11-year-old child was envenomated several times by a tiger snake (Notechis scutatus). Despite administration of three ampoules (9000 units) of tiger snake antivenom, fatal cerebral haemorrhage occurred. Inadequate first-aid had been applied. The bite site was covered with a loose bandage instead of a pressure-immobilisation bandage. In hospital, facilities to monitor coagulation status were unavailable.
Conclusions:
More public education is required in first-aid management of snake envenomation. Frequent monitoring of coagulation status is necessary to optimise antivenom and coagulation factor therapy.