Side-by-side comparison helps you choose the right calculator for a specific clinical question.
Neurology
Classify subarachnoid hemorrhage on CT using the Fisher grading scale to predict vasospasm risk.
Formula
Grade 1: no blood. Grade 2: thin SAH <1mm. Grade 3: thick SAH ≥1mm. Grade 4: ICH/IVH ± SAH.
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Neurology
Classify subarachnoid hemorrhage severity using the Hunt & Hess scale to predict surgical outcomes.
Formula
Grade I–V based on clinical presentation. Predicts surgical mortality: I (~1%), II (~5%), III (~19%), IV (~42%), V (~77%).
Inputs