From the case:
Modified Fisher scale
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The modified Fisher scale is a widespread classification of subarachnoid hemorrhage.
Grade 0: no SAH
Grade 1: thin SAH without IVH
Grade 2: thin SAH with IVH
Grade 3: thick SAH without IVH
Grade 4: thick SAH with IVH
Case Discussion
The Modified Fisher Scale is useful in predicting the risk of complications and outcomes after SAH, such as the development of cerebral vasospasm, which can cause stroke-like symptoms. It can also help guide treatment decisions, such as the use of prophylactic medications to prevent vasospasm.