Fisher CT Grade for Subarachnoid Haemorrhage
Classifies SAH extent on CT to predict risk of symptomatic cerebral vasospasm. Grade 3 carries highest vasospasm risk.
Reference: Fisher CM et al. Neurosurgery 1980
Medical Disclaimer: This calculator is a clinical decision support tool for qualified healthcare professionals. It does not replace clinical judgement. Always interpret results in the full clinical context. Reference: Fisher CM et al. Neurosurgery 1980.
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