Key points

  • We recommend to consult your poison centre with the use of this antidote.
  • Hyperbaric chamber should not be used if the patient has an untreated pneumothorax or barotrauma.
  • The decision to transfer a patient for treatment in a hyperbaric chamber must be made in consultation with a hyperbaric physician.
  • The utility of hyperbaric oxygen therapy is controversial, and expected benefits have not yet been clearly identified. It is important to consider the risk-benefit ratio, especially if the patient needs to be transferred.

Last updated : 2021-08-31