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Decompression sickness (DCS; also called divers' disease, the bends, aerobullosis, and caisson disease) is a medical condition caused by dissolved gases emerging from solution as bubbles inside the body tissues during decompression.
Decompression sickness is usually avoidable by following the requirements of decompression tables or algorithms regarding ascent rates and stop times for the specific dive profile, but these do not guarantee safety, and in some cases, unpredictably, there will be decompression sickness.
The principal conditions are decompression illness (which covers decompression sickness and arterial gas embolism), nitrogen narcosis, high pressure nervous syndrome, oxygen toxicity, and pulmonary barotrauma (burst lung). Although some of these may occur in other settings, they are of particular concern during diving activities. [1]
Decompression sickness [2] Referred to the associated breathing issues of decompression illness. Consumption: Tuberculosis [5] So-called due to the wasting that occurs in the late stages of infection. Dandy fever: Dengue fever [4] A reference to the mincing walk adopted by those affected. Dropsy: Edema [6] Dum-dum fever: Leishmaniasis [7]
NASA accidentally broadcast a simulation of astronauts being treated for decompression sickness on the International Space Station (ISS) on Wednesday, prompting speculation of an emergency in ...
Decompression can occur due to structural failure of the pressure vessel, or failure of the compression system itself. [1] [2] The speed and violence of the decompression is affected by the size of the pressure vessel, the differential pressure between the inside and outside of the vessel, and the size of the leak hole.
Merrick spoke soothingly to a 22-year-old man who approached the front desk feeling guilt over not being there for his younger brother. He reprimanded a resident who had recently failed to wake up on time for his morning classes, and ordered him to change into scrubs as punishment. During the week, he will stop by the facility on his days off.
Decompression stress does not necessarily result in decompression sickness, but it is a necessary precondition. Some of these factors are known and can be measured and quantified, others are known, suspected or hypothetical, but not measurable or quantifiable, and some may still be entirely unknown.