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Wikipedia: An extraventricular drain (EVD) is a device used in neurosurgery that relieves raised intracranial pressure and hydrocephalus when the normal flow of cerebrospinal fluid around the brain is obstructed. These are 10 French tubes placed by neurosurgeons and managed by ICU nurses to drain fluid from the ventricles of the brain, and thus keep them decompressed, as well as to monitor intracranial pressure. The tube is most frequently placed in Kocher's point with the goal of having the catheter tip in the frontal horn of a lateral ventricle.
![[Drainage system showing bloody CSF due to intercranial hemorrhage.]](http://images.ookaboo.com/photo/s/EVD_ICH_s.jpg "Drainage system showing bloody CSF due to intercranial hemorrhage.")
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 from Rmosler2100 |
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