Risk Management
The risk of breathing asphyxiant gases is frequently underestimated leading to fatalities, typically from breathing helium in domestic circumstances and nitrogen in industrial environments.
The term asphyxiation is often mistakenly associated with the strong desire to breathe that occurs if breathing is prevented. This desire is stimulated from increasing levels of carbon dioxide. However most asphyxiant gasses are efficient at flushing away carbon dioxide and thus this breathless feeling does not occur. In addition the gasses flush oxygen out of the body tissues and thus unconsciousness and death can occur quickly and unexpectedly.
Read more about this topic: Asphyxiant Gas
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