Search results
Results from the WOW.Com Content Network
The airways and lungs receive continuous first-pass exposure to non-toxic and irritant or toxic gases via inhalation. Irritant gases are those that, on inhalation, dissolve in the water of the respiratory tract mucosa and provoke an inflammatory response, usually from the release of acidic or alkaline radicals.
Smoke inhalation is the breathing in of harmful fumes (produced as by-products of combusting substances) through the respiratory tract. [1] This can cause smoke inhalation injury (subtype of acute inhalation injury) which is damage to the respiratory tract caused by chemical and/or heat exposure, as well as possible systemic toxicity after smoke inhalation.
The levels of toxic chemicals in e-cigarette vapor is in some cases similar to that of nicotine replacement products. [136] Tobacco-specific nitrosamines (TSNAs) such as nicotine-derived nitrosamine ketone (NNK) and N -Nitrosonornicotine (NNN) and tobacco-specific impurities have been found in the e-cigarette vapor at very low levels, [ 114 ...
This is an accepted version of this page This is the latest accepted revision, reviewed on 25 January 2025. Device to vaporize substances for inhalation A vaporization heat wand and vaporization chamber bowl used to deliver vapor through a water pipe A vaporizer or vaporiser, colloquially known as a vape, is a device used to vaporize substances for inhalation. Plant substances can be used ...
The levels of toxic chemicals in the e-cigarette vapor were reported to be 1 to 2 orders of magnitude smaller than with cigarette smoke but greater than from a nicotine inhaler. [15] Nearly all e-cigarettes evaluated, toxic and irritation-causing carbonyls were identified. [93] Reports regarding the levels of toxic chemicals were inconsistent. [93]
2 from the air in the lungs to the bloodstream, and diffusion of CO 2 from the bloodstream back out to the lungs is an essential part of human respiration. The absorption and diffusion of gases is a bidirectional process. Once the gases are absorbed into the mucus or surfactant layer, the dissolved gases can desorb back to the air in the lungs.
Beyond use in chronic lung disease, nebulizers may also be used to treat acute issues like the inhalation of toxic substances. One such example is the treatment of inhalation of toxic hydrofluoric acid (HF) vapors. [8] Calcium gluconate is a first-line treatment for HF exposure to the skin. By using a nebulizer, calcium gluconate is delivered ...
Temperature control devices allow the user to set the temperature. [96] There is a predictable change to the resistance of a coil when it is heated. [ 117 ] The resistance changes are different for different types of wires, and must have a high temperature coefficient of resistance. [ 117 ]