![]() ![]() īarotraumas of descent are caused by preventing the free change of volume of the gas in a closed space in contact with the diver, resulting in a pressure difference between the tissues and the gas space, and the unbalanced force due to this pressure difference causes deformation of the tissues resulting in cell rupture. Boyle's law describes the relationship between the volume of the gas space and the pressure in the gas. This pressure change will reduce the volume of a flexible gas-filled space by half. ![]() So, a descent from the surface to 10 metres (33 feet) underwater results in a doubling of the pressure on the diver. A descent of 10 metres (33 feet) in water increases the ambient pressure by an amount approximately equal to the pressure of the atmosphere at sea level. There are two components to the surrounding pressure acting on the diver: the atmospheric pressure and the water pressure. When diving, the pressure differences which cause the barotrauma are changes in hydrostatic pressure: Several commonly recognised examples are listed below. ( July 2022)Īny cause of sufficiently large and rapid environmental pressure change can potentially cause barotrauma. This section needs expansion with: Symptoms of each type.
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