WFNS ANEURYSMAL SAH GRADING SCALE [22]

GRADE

GCS/MOTOR DEFICIT

I

15/absent

II

14 - 13/absent

III

14 - 13/present

IV

12 - 7/present or absent

V

6 - 3/present or absent

HUNT & HESS ANUERYSMAL SAH GRADING SCALE [23]

GRADE

DEFINITION

1

Mild headache, alert and oriented, minimal (if any) nuchal rigidity

2

Full nuchal rigidity, moderate-severe headache, alert & oriented, no neurological deficit (besides CN palsy)

3

Lethargy or confusion, mild focal neurological deficits

4

Stuporous, more sever focal deficit

5

Comatose, showing signs of severe neurological impairment (ex.: posturing)

FISHER CT SAH GRADING SCALE [24]

GRADE

DEFINITION

1

No subarachnoid or intraventricular hemorrhage

2

Diffuse thin (<1 mm) subarachnoid hemorrhage, no clot

3

Localized clots and/or layers of blood > 1 mm in thickness

4

Diffuse or no SAH, intracerebral or IVH present