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Gas bubble disease is a disease of fish that are exposed to water supersaturated with natural gases like oxygen, carbon dioxide, or nitrogen. [1] Bubbles of gas may form in the eyes, skin, gills , and fins. [ 2 ]
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.
Gas gangrene (also known as clostridial myonecrosis [1]) is a bacterial infection that produces tissue gas in gangrene. This deadly form of gangrene usually is caused by Clostridium perfringens bacteria. About 1,000 cases of gas gangrene are reported yearly in the United States. [2] Myonecrosis is a condition of necrotic damage, specific to ...
A large number of around 830,000 salmon fry released into Northern California’s Klamath River are believed to have died after they suffered gas bubble disease, state wildlife officials said Monday.
Bubbles are normally produced in the vascular bed and transported by the venous system to heart, then to the lungs. The lungs work as a filter and trap the bubbles in the capillaries which have a smaller diameter. Gas transfer into the alveoli eliminates the bubbles. The critical issue is the filtering capacity of the lung system.
Arterial gas embolism is caused by gas in the lungs getting into the pulmonary venous circulation through injuries to the capillaries of the alveoli caused by lung overpressure injury. These bubbles are then circulated to the tissues via the systemic arterial circulation, and may cause blockages directly or indirectly by initiating clotting. [5]
Gas bubbles within the arterial circulation can block the supply of blood to any part of the body, including the brain, and can therefore manifest a vast variety of symptoms. The following table presents those signs and symptoms which have been observed in more than ten percent of cases diagnosed as AGE, with approximate estimates of frequency. [8]
The tissues may remain supersaturated for some time, which may trigger autochthonous bubble formation and growth from pre-existing bubble nuclei, and if venous gas bubbles concurrently pass through a shunt and reach the supersaturated area, the high local inert gas concentration may cause intravascular bubble growth. [14] [1]