<unk>  <unk>  is a multi-organ condition characterized by a varied clinical manifestations resulting from an exposure to reduced barometric pressures that leads to a normally dissolved inert gases (mainly nitrogen) in body fluids and tissues to come out of physical solution, and develops a free gas phase by forming an intravascular and extravascular bubbles. The likelihood of<unk>  is associated with the extent of bubble formation which subsequently causes minor symptoms from a few bubbles formation to a large bubble presenting with the multiorgan failure and death. The severity and nature of the<unk>  injury vary from mild systemic, musculoskeletal and cutaneous manifestations to severe, life-threatening neurological and cardiorespiratory complications. It is mostly observed in underwater<unk>  diving activities (e.g SCUBA) and depressurisation events such as emerging from a caisson, flying in an unpressurised aircraft at altitude, and extravehicular activity from spacecraft. The clinical presentation can show an individual susceptibility by varying from day to day under the similar circumstances. The classification of types of<unk>  based on its symptoms has evolved over years since its origin and research conducted to prevent it. It is not common to report it if the divers follow the recommended guidelines by using dive tables or dive computers to limit their period of exposure and control their rate of ascent speed. If<unk>  is suspected, it is treated by airway stabilization, high flow oxygen, and hyperbaric therapy in a<unk>  chamber. An early treatment ensures a significantly higher recovery rate.
Decompression sickness
Morning sickness
Adams-Stokes syndrome
Sleeping sickness
Acute chest syndrome
Hantavirus cardiopulmonary syndrome 
Motion sickness
Uremic pericarditis