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The Fischer scale is a way of grouping subarachnoid haemorrhage CT scans into four goups according to the amount of blood, and is useful in predicting cerebral vasospasm.
group 1 : no blood detected
group 2 : diffuse thin (< 1 mm) SAH with no clots.
group 3 : localised clots and / or layers of blood > 1 mm in thickness
group 4 : intracerebral or intraventricular blood (+/- SAH)
Synonyms & Alternative Spellings
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|Fischer scale in subarachnoid haemorrhage
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