Ebullism

Not to be confused with Embolism.

Ebullism is the formation of water vapour bubbles in bodily fluids due to reduced environmental pressure, usually at extreme high altitude. It occurs because a system of liquid and gas at equilibrium will see a net conversion of liquid to gas as pressure lowers; for example, liquids reach their boiling points at lower temperatures when the pressure on them is lowered.[1] The injuries and disorder caused by ebullism is also known as ebullism syndrome.[2] Ebullism will expand the volume of the tissues, but the vapour pressure of water at temperatures in which a human can survive is not sufficient to rupture skin or most other tissues encased in skin.[3] Ebullism produces predictable injuries, which may be survivable if treated soon enough, and is often accompanied by complications caused by rapid decompression, such as decompression sickness and a variety of barotrauma injuries. Persons at risk are astronauts and high altitude aviators, for whom it is an occupational hazard.[1]

  1. ^ a b Cite error: The named reference Murray et al 2013 was invoked but never defined (see the help page).
  2. ^ Cite error: The named reference Norfleet 2008 was invoked but never defined (see the help page).
  3. ^ Cite error: The named reference Springel 2013 was invoked but never defined (see the help page).
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