SAH

Subarachnoid hemorrhage (SAH) is bleeding into the subarachnoid space — the area between the arachnoid membrane and the pia mater surrounding the brain.

Your CT scan showed us that you have a SAH.

tSAH

Medical abbreviation for 'traumatic subarachnoid hermorrage'. This is a subarachnoid hemorrhage (SAH) brought on by trauma to the brain.

Your CT scan showed that your fall caused a tSAH, and we need to operate immediately in order to prevent any further cerebral damage.

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