II. Pathophysiology

  1. Scuba Diving related injury
  2. Oxygen free-radical related neurologic toxicity

III. Predisposing factors

  1. Diving with Nitrox (32 to 36% Oxygen breathing mixture)

IV. Symptoms (develop at depth without warning)

  1. Seizures
    1. Focal: Facial or lip twitching (60% of patients)
    2. Generalized Seizures in 10% of patients (often fatal)
  2. Vertigo
  3. Nausea or Vomiting
  4. Paresthesias
  5. Visual constriction
  6. Respiratory changes

V. Management

  1. Reduce oxygen exposure
  2. Seizure Management as needed

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Related Studies

Ontology: Oxygen toxicity (C0238327)

Concepts Injury or Poisoning (T037)
SnomedCT 33499000
English oxygen poisoning, poisoning by oxygen (diagnosis), poisoning by oxygen, O2 poisoning, oxygen poison, oxygen toxicity, Oxygen poisoning, Oxygen toxicity, Oxygen toxicity (disorder)
Spanish intoxicación por oxígeno, toxicidad del oxígeno (trastorno), toxicidad del oxígeno