Suicidal deaths due to helium inhalation

ConclusionsDeaths due to helium asphyxiation are still a problem for modern forensic toxicology. Most current methods  for collecting biological specimens and identifying the gas seem to be insufficient to give definite opinions in cases of helium asphyxiation. More attempts should be made to modify these methods in order to improve and facilitate detection and quantitative determination of helium and other inert gases.
Source: Forensic Toxicology - Category: Forensic Medicine Source Type: research