Hyperbarric oxygen

Hyperbarric oxygen is a diatomic medicinal gas, used to relieve hypoxia. It displaces CO and increases elimination rate of toxicants under partial pressure. It can also be used to treat certain types of poisonings resulting from acrylonitrile, carbon monoxide, carbon tetrachloride, cyanide, hydrocarbon products, hydrogen sulfide, methylene chloride, chloroform, Rosaceae sub-family of plants including stone-fruits, chokecherry, elderberry, laurel, hawthorn, mountain ash, mushrooms (Lepiota, Amanita, and Galerina), and arachnid bite-systemic manifestation (Loxosceles, Agelenopsis, Phiddipus, Lycosa).