Grading Scale of Botterell et al for Subarachnoid Hemorrhage

Botterell et al classified patients with a subarachnoid hemorrhage based on clinical findings.

Parameters:

(1) level of consciousness (LOC)

(2) neurologic deficit

(3) age and history

(4) intracerebral blood clot (hematoma)

LOC	Neurologic Deficit	Age and History	Blood Clot	Grade
conscious	none or minor	NA	NA	1
drowsy	none or minor	NA	NA	2
drowsy	moderate to major	NA	probable	3
drowsy to comatose	major	NA	large	4
drowsy to comatose	minor to major	> 65 years with history of cerebrovascular disease	NA	4
near moribund or moribund	respiratory or cardiac failure; extensor rigidity	NA	NA	5

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