NeurologyScore

Fisher Grade (Original)

Grading system for SAH based on CT appearance to predict risk of delayed cerebral ischemia (vasospasm).

Parameters

CT Appearance

No blood detected+1Diffuse or vertical layer <1 mm thick+2Localized clot and/or vertical layer ≥1 mm thick+3Intracerebral or intraventricular blood with diffuse or no SAH+4

Awaiting input

Fill in the parameters to see your result

NeurologyScore

Fisher Grade (Original)

Grading system for SAH based on CT appearance to predict risk of delayed cerebral ischemia (vasospasm).

Parameters

CT Appearance

No blood detected+1Diffuse or vertical layer <1 mm thick+2Localized clot and/or vertical layer ≥1 mm thick+3Intracerebral or intraventricular blood with diffuse or no SAH+4

Awaiting input

Fill in the parameters to see your result