How is heliox administered for the treatment of status asthmaticus?

Updated: Jun 17, 2020
  • Author: Constantine K Saadeh, MD; Chief Editor: John J Oppenheimer, MD  more...
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Heliox can be administered via a well-fitting face mask at flows high enough to prevent entrainment of room air. The effectiveness of heliox in reducing the density of administered gas and improving laminar airflow depends on the helium concentration of the gas. The higher the helium concentration, the more effective the result. Therefore, an 80/20 mixture of helium-oxygen is most effective.

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