What Are The Symptoms Of A Brain Hemorrhage After A Hit To The Head?

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Definition

Subarachnoid hemorrhage is bleeding in the area between the brain and the thin tissues that cover the brain. This area is called the subarachnoid space.


Alternative Names

Hemorrhage - subarachnoid


Causes, incidence, and risk factors

Subarachnoid hemorrhage can be caused by:

  • Bleeding from an arteriovenous malformation (AVM)
  • Bleeding disorder
  • Bleeding from a cerebral aneurysm
  • Head injury
  • Unknown cause (idiopathic)
  • Use of blood thinners

Injury-related subarachnoid hemorrhage is often seen in the...

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