Fisher Grade (Original, Subarachnoid Hemorrhage CT)
Fisher Grade (Original, Subarachnoid Hemorrhage CT) - a deterministic tool in Sophie Well's Clinical Scoring & Risk group.
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What this is
Fisher Grade (Original, Subarachnoid Hemorrhage CT) is one of 230 deterministic tools in Sophie Well's Clinical Scoring & Risk group. Fisher Grade (Original, Subarachnoid Hemorrhage CT) - a deterministic tool in Sophie Well's Clinical Scoring & Risk group.
When to use it
Use this tool when you need a quick, citable reference. Every calculation runs entirely in your browser - no inputs leave your device, no account is required, no AI is involved. The site enforces a strict Content Security Policy and ships no analytics or third-party CDN.
References
Fisher CM, Kistler JP, Davis JM. Relation of cerebral vasospasm to subarachnoid hemorrhage visualized by computerized tomographic scanning. Neurosurgery. 1980;6(1):1-9. Read the source ↗
Worked example: Fisher grade 3
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