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Updated: Aug 8, 2026
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Behavioral Characterization of Pentylenetetrazole-induced Seizures: Moving Beyond the Racine Scale
Published on: July 8, 2025
Severe rapid-onset paralysis in a part-time soldier
Matthew J Maiden1, Julian White
1Mediflight Critical Care Retrieval Service, Royal Adelaide Hospital, Adelaide, SA, Australia. mjmaiden@ozemail.com.au
Summary
A previously healthy man experienced severe paralysis after a presumed snake bite, requiring mechanical ventilation. Prompt administration of polyvalent snake antivenom led to rapid recovery, highlighting its critical role in managing severe envenoming.
Area of Science:
- Toxicology
- Neurology
- Emergency Medicine
Background:
- Acute paralysis can be a medical emergency with diverse etiologies.
- Rapid-onset paralysis necessitates prompt diagnosis and intervention to prevent severe complications.
Observation:
- A 28-year-old previously healthy male presented with severe, rapid-onset paralysis after a presumed snake bite or sting.
- The patient required intubation and mechanical ventilation due to the severity of paralysis.
- No other systemic signs of envenoming were present.
Findings:
- The patient's paralysis showed a rapid and significant response to polyvalent snake antivenom administration.
- The rapid progression and severity of paralysis were notable clinical features.
Implications:
- This case underscores the potential for rapid, severe neuromuscular compromise following certain envenomations.
- Early administration of appropriate antivenom is crucial for effective management of such cases.
- A broad differential diagnosis for acute paralysis is essential in clinical practice.
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