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Heliox is a breathing gas mixture of helium (He) and oxygen (O 2).It is used as a medical treatment for patients with difficulty breathing because this mixture generates less resistance than atmospheric air when passing through the airways of the lungs, and thus requires less effort by a patient to breathe in and out of the lungs.
Helium and nitrogen are non-toxic and can be breathed with no ill effects over short or long term when oxygen levels are sufficient, and present no health risk to third parties except asphyxiation. The danger lies in that they are undetectable by human senses, and the first warning of their presence in asphyxiant concentrations may be loss of ...
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High-pressure nervous syndrome (HPNS – also known as high-pressure neurological syndrome) is a neurological and physiological diving disorder which can result when a diver descends below about 500 feet (150 m) using a breathing gas containing helium. The effects experienced, and the severity of those effects, depend on the rate of descent ...
The inhalation from larger helium balloons has been reportedly fatal. [26] A fatal fall from a tree occurred after the inhalation of helium from a toy balloon, which caused the person to become either unconscious or lightheaded. [27] In 2015, a technician at a health spa was asphyxiated while conducting unsupervised cryotherapy using nitrogen ...
An example of this would be breathing air in a heliox environment. The helium in the heliox diffuses into the skin quickly, while the nitrogen diffuses more slowly from the capillaries to the skin and out of the body. The resulting effect generates supersaturation in certain sites of the superficial tissues and the formation of inert gas ...
Heliox may reduce all these effects, making it easier for the patient to breathe. [11] Heliox has also found utility in the weaning of patients off mechanical ventilation, and in the nebulization of inhalable drugs, particularly for the elderly. [12] Research has also indicated advantages in using helium–oxygen mixtures in delivery of ...
But inhaling quick blasts of pure nitrous oxide essentially replaces your oxygen intake, which can lead to loss of consciousness, heart attack, feeling ill, loss of coordination, headaches, nausea ...