II. Pathophysiology
- Scuba Diving related injury
- Oxygen free-radical related neurologic toxicity
III. Predisposing factors
- Diving with Nitrox (32 to 36% Oxygen breathing mixture)
IV. Symptoms (develop at depth without warning)
-
Seizures
- Focal: Facial or lip twitching (60% of patients)
- Generalized Seizures in 10% of patients (often fatal)
- Vertigo
- Nausea or Vomiting
- Paresthesias
- Visual constriction
- Respiratory changes
V. Management
- Reduce oxygen exposure
- Seizure Management as needed