[noble gas with the atomic symbol He, atomic number 2, and atomic weight 4.003; a colorless, odorless, tasteless gas that is not combustible and does not support combustion; medically it is used as a diluent for other gases, being especially useful with oxygen in the treatment of certain cases of respiratory obstruction, and as a vehicle for general anesthetics. ( CSP )]
UMLS (CSP) C0018880 - Pharmacologic Substance
- Element, Ion, or Isotope
Relation/PAR: gas element
[RE600] NON-ANESTHETIC GASES
Relation/CHD: HELIUM 99 %
HELIUM 40.7 %
Helium 20 %
HELIUM 10 %