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Hunt and Hess grading scale
| Grade | Criteria |
|---|---|
|
| |
| 1 | Asymptomaticor minimal headacheand slight nuchal rigidity |
| 2 | Moderate to severe headache, nuchalrigidity, no neurological deficit other than cranial nerve palsy |
| 3 | Drowsiness, confusion, or mild focal neurologic deficit |
| 4 | Stupor, moderate to severe hemiparesis,possibly early decerebrate rigidity |
| 5 | Deep coma, decerebrate rigidity |
Adapted from [144]
