An external ventricular drain (EVD) may be placed in the brain of a patient in the neurointensive care unit in order to aid in patient management.


Indications for an external ventricular drain (EVD):

(1) relieve elevated intracranial pressure

(2) hydrocephalus

(3) drain an intraventricular hematoma



(1) existing ventriculoperitoneal shunt

(2) meningitis



(1) hemorrhage

(2) pneumocephalus

(3) overdrainage of cerebrospinal fluid

(4) trauma to cerebral structures

(5) bacterial ventriculitis


To read more or access our algorithms and calculators, please log in or register.