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  • [Subarachnoid Hemorrhage]

  • Traumatic subarachnoid hemorrhage occurs when an acceleration force

  • such as the impact of a motor vehicle accident or blunt force trauma

  • causes the brain to move inside the skull.

  • Rapid movement of the brain puts stress on blood vessels in the subarachnoid space,

  • which causes them to rupture.

  • The subarachnoid space, which is normally filled with cerebrospinal fluid, fills with blood.

  • Compared to a subdural hematoma, bleeding in a subarachnoid hemorrhage

  • is spread diffusely through the subarachnoid space,

  • so it does not produce massive pressure on the brain tissue as rapidly.

  • Complications can arise if the subarachnoid hemorrhage

  • produces cerebral vasospasms, which can lead to permanent brain damage.

[Subarachnoid Hemorrhage]

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