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Descriptor English: Helium
Descriptor Spanish: Helio
Descriptor helio
Entry term(s) helio-4
Scope note: Gas noble de símbolo He, número atómico 2 y peso atómico 4,003. Es un gas incoloro, inodoro e insípido, no combustible y que no favorece la combustión. Se detectó por primera vez en el sol y actualmente se obtiene del gas natural. Se emplea en medicina como diluyente de otros gases, y es especialmente útil junto con el oxígeno en el tratamiento de algunos casos de obstrucción respiratoria y como vehículo de anestésicos generales.
Descriptor Portuguese: Hélio
Descriptor French: Hélium
Entry term(s): Helium 4
Helium-4
Tree number(s): D01.268.613.350
D01.362.641.352
RDF Unique Identifier: https://id.nlm.nih.gov/mesh/D006371
Scope note: A noble gas with the atomic symbol He, atomic number 2, and atomic weight 4.003. It is a colorless, odorless, tasteless gas that is not combustible and does not support combustion. It was first detected in the sun and is now obtained from natural gas. 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.
Allowable Qualifiers: AD administration & dosage
AE adverse effects
AG agonists
AN analysis
BL blood
CF cerebrospinal fluid
CH chemistry
CL classification
DF deficiency
EC economics
HI history
IM immunology
IP isolation & purification
ME metabolism
PD pharmacology
PH physiology
PK pharmacokinetics
PO poisoning
RE radiation effects
SD supply & distribution
ST standards
TO toxicity
TU therapeutic use
UR urine
Registry Number: 206GF3GB41
CAS Type 1 Name: Helium
DeCS ID: 6520
Unique ID: D006371
Documents indexed in the Virtual Health Library (VHL): Click here to access the VHL documents
Date Established: 1966/01/01
Date of Entry: 1999/01/01
Revision Date: 2017/07/03
Helium - Preferred
Concept UI M0010005
Scope note A noble gas with the atomic symbol He, atomic number 2, and atomic weight 4.003. It is a colorless, odorless, tasteless gas that is not combustible and does not support combustion. It was first detected in the sun and is now obtained from natural gas. 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.
Preferred term Helium
Entry term(s) Helium 4
Helium-4



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