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| The '''bends''' (properly called decompression sickness) is a condition experienced | |||
| The '''bends''' (properly called decompression sickness) is a condition experienced by ] who ascend too quickly. When air under high pressure is breathed for any length of time, ] dissolves in the body fluids: release of the outside pressure causes the gas to some back out of solution, and form bubbles in the blood. The physiologist ] studied this problem in the early 20th century, eventually devising the method of staged, gradual decompression, whereby the pressure on the diver is released slowly enough that that the nitrogen comes gradually out of solution without forming bubbles. | |||
| Because ] has a far lower solubility in water, deep-sea divers nowadays breathe ] (helium/oxygen mix). | |||
| An alternative name is ''caisson disease''; this name comes from the 19th century, when large engineering excavations (bridges, tunnels) required | |||
| the work to be done in "caissons" under pressure to keep water from flooding the excavations. | |||
| Other ill effects experienced by divers are ] and ]. | |||
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| ''''']''''' is a ] album by British band ]. | |||
Revision as of 11:00, 8 February 2003
The bends (properly called decompression sickness) is a condition experienced