Neurosurgery notes/Trauma/Primary head Injury/Subdural haematoma (SDH)

Subdural haematoma (SDH)

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Parent item
Primary head Injury
Sub-item
Acute SDH
Subacute SDH
Chronic SDH
  • Mech
    • Tearing of bridging veins that cross the subdural space to communicate with the venous sinuses
    • From disruption of superficial pial arteries on the brain surface.
  • Not limited by dural attachment and extends over the cortical surface in the typical biconcave pattern over the tentorium cerebelli or into the interhemispheric fissure.