Decompression Sickness

Decompression sickness (DCS) is a condition that occurs when a person experiences a rapid decrease in pressure, such as when ascending to altitude or returning to the surface from a deep dive. The decrease in pressure causes the formation of gas bubbles in the body's tissues and bloodstream, which can lead to a variety of symptoms ranging from mild joint pain and skin rashes to more severe neurological and respiratory problems. DCS is a significant risk for astronauts during spacewalks and extravehicular activities, as the sudden change in pressure can cause gas bubbles to form in the body. To prevent DCS, astronauts must undergo a careful decompression process before and after spacewalks, which involves gradually reducing the pressure in their spacesuits and living quarters over a period of several hours. Additionally, astronauts are trained to recognize the symptoms of DCS and to take appropriate action if they occur.

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Decompression Sickness

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