Tags: Disease.
Epidural or extradural hematoma (haematoma) is a type of traumatic brain injury (TBI) in which a buildup of blood occurs between the dura mater (the tough outer membrane of the central nervous system) and the skull. The dura mater also covers the spine so epidural bleeds may also occur in the spinal column. Often due to trauma the condition is potentially deadly because the buildup of blood may increase pressure in the intracranial space compress delicate brain tissue and cause brain shift.