Table 1.

HBO₂ Emergent and Urgent Indications⁵

Arterial or venous gas emboli Decompression illness Acute Arterial Insufficiencies such as Central Retinal Arterial Occlusion Gas gangrene, clostridial soft tissue infections, other myonecroses and necrotizing skin and soft tissue infections Crush injuries, compartment syndromes and other acute traumatic ischemias Intracranial abscesses Severe anemias Flaps and grafts that are failing Thermal burns Idiopathic sudden sensorineural hearing losses HBO2 most effective if offered early CO and CN poisoning

Note some of these extend across a spectrum from emergent to urgent to more elective application.