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decompression


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n.1. the reduction of pressure on an organ or part of the body by surgical intervention. Surgical decompression can be effected at many sites: the pressure of tissues on a nerve may be relieved by incision; raised pressure in the fluid of the brain can be lowered by cutting into the dura mater; and cardiac compression – the abnormal presence of blood or fluid round the heart – can be cured by cutting the sac (pericardium) enclosing the heart. 2. the gradual reduction of atmospheric pressure for deep-sea divers, who work at artificially high pressures. See compressed air illness.

1. the reduction of pressure on an organ or part of the body by surgical intervention. Surgical decompression can be effected at many sites: the pressure of tissues on a nerve may be relieved by incision; raised pressure in the fluid of the brain can be lowered by cutting into the dura mater; and cardiac compression – the abnormal presence of blood or fluid round the heart – can be cured by cutting the sac (pericardium) enclosing the heart. 2. the gradual reduction of atmospheric pressure for deep-sea divers, who work at artificially high pressures. See compressed air illness.

Subjects: Medicine and Health.


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