Epidural hematoma

（重定向自Epidural hemorrhage）

The interior of the skull has sharp ridges by which a moving brain can be injured

Epidural or extradural hematoma (haematoma), also known as an epidural hemorrhage, 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 spinal cord is also covered by a layer of dura mater, 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. The condition is present in one to three percent of head injuries. Around 15% - 20% of epidural hematomas are fatal.

单词	Epidural hemorrhage
释义	Epidural hemorrhage 原声例句 Osmosis-神经 In contrast to that, epidural hemorrhages cause blood to build up between the outer layer of the dura mater and the skull. 作为对比，硬膜外出血的血液则积聚在硬脑膜外层和颅骨之间。英语百科 Epidural hematoma （重定向自Epidural hemorrhage） Epidural or extradural hematoma (haematoma), also known as an epidural hemorrhage, 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 spinal cord is also covered by a layer of dura mater, 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. The condition is present in one to three percent of head injuries. Around 15% - 20% of epidural hematomas are fatal.
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