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  2. Oxygen toxicity - Wikipedia

    en.wikipedia.org/wiki/Oxygen_toxicity

    Evidence of decline in lung function as measured by pulmonary function testing can occur as quickly as 24 hours of continuous exposure to 100% oxygen, [42] with evidence of diffuse alveolar damage and the onset of acute respiratory distress syndrome usually occurring after 48 hours on 100% oxygen. [41] Breathing 100% oxygen also eventually ...

  3. Hyperoxia - Wikipedia

    en.wikipedia.org/wiki/Hyperoxia

    Excessive exposure to oxygen can lead to oxygen toxicity, also known as oxygen toxicity syndrome, oxygen intoxication, and oxygen poisoning.There are two main ways in which oxygen toxicity can occur: exposure to significantly elevated partial pressures of oxygen for a short period of time (acute oxygen toxicity), or exposure to more modest elevations in oxygen partial pressures but for a ...

  4. Respiratory arrest - Wikipedia

    en.wikipedia.org/wiki/Respiratory_arrest

    The bag-valve-mask device has a self-inflating bag with a soft mask that rests on the face. When the bag is connected to an oxygen supply, the patient will receive 60 to 100% of inspired oxygen. The purpose of bag-valve-mask is to provide adequate temporary ventilation and allow the body to achieve airway control by itself.

  5. Effect of oxygen on chronic obstructive pulmonary disease

    en.wikipedia.org/wiki/Effect_of_oxygen_on...

    Many people with chronic obstructive pulmonary disease have a low partial pressure of oxygen in the blood and high partial pressure of carbon dioxide.Treatment with supplemental oxygen may improve their well-being; alternatively, in some this can lead to the adverse effect of elevating the carbon dioxide content in the blood (hypercapnia) to levels that may become toxic.

  6. Decompression sickness - Wikipedia

    en.wikipedia.org/wiki/Decompression_sickness

    During the EVA they breathe 100% oxygen in their spacesuits, which operate at 4.3 psi (0.30 bar), [88] although research has examined the possibility of using 100% O 2 at 9.5 psi (0.66 bar) in the suits to lessen the pressure reduction, and hence the risk of DCS.

  7. When Is a Dog Too Old for Tooth Cleaning Under Anesthesia? A ...

    www.aol.com/dog-too-old-tooth-cleaning-140500975...

    The gas used in general anesthesia is relatively short-acting, and if the oxygen levels in the blood fall quickly, indicating that the dog is not breathing often or deeply enough to get oxygen to ...

  8. Smoke inhalation - Wikipedia

    en.wikipedia.org/wiki/Smoke_inhalation

    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.

  9. Cabin pressurization - Wikipedia

    en.wikipedia.org/wiki/Cabin_pressurization

    At 40,000 ft (12,192 m), the ambient air pressure falls to about 0.2 bar, at which maintaining a minimum partial pressure of oxygen of 0.2 bar requires breathing 100% oxygen using an oxygen mask. Emergency oxygen supply masks in the passenger compartment of airliners do not need to be pressure-demand masks because most flights stay below 40,000 ...

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