Modified Fisher Grading Scale for Subarachnoid Hemorrhage (SAH)
This scale only applies to aneurysmal subarachnoid hemorrhage (aSAH).
- Thin SAH is classified as < 1mm in depth.
- Thick SAH is classified as ≥ 1mm in depth.
Clinician must be able to identify subarachnoid hemorrhage (SAH) and major neuroanatomical landmarks on head CT.
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