Hunt and Hess grading system
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The Hunt and Hess scale describes the severity of subarachnoid haemorrhage, and is used as a predictor of survival.
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grade 1
- asymptomatic or minimal headache and slight neck stiffness
- 70% survival
-
grade 2
- moderate to severe headache; neck stiffness; no neurologic deficit except cranial nerve palsy
- 60% survival
-
grade 3
- drowsy; minimal neurologic deficit
- 50% survival
-
grade 4
- stuporous; moderate to severe hemiparesis; possibly early decerebrate rigidity and vegetative disturbances
- 20% survival
-
grade 5
- deep coma; decerebrate rigidity; moribund
- 10% survival
History and etymology
It was first described in 1968 by two neurosurgeons from Ohio, USA:
- William Edward Hunt (1921-1999), neurologist and neurosurgeon; also of Tolosa-Hunt syndrome
- Robert M Hess, neurosurgeon
See also
-<strong>William Edward Hunt</strong> (1921-1999), neurologist and neurosurgeon; also of <a href="/articles/tolosa-hunt-syndrome-2">Tolosa-Hunt syndrome</a>- +<strong>William Edward Hunt</strong> (1921-1999), neurologist and neurosurgeon; also of <a href="/articles/tolosa-hunt-syndrome-3">Tolosa-Hunt syndrome</a>
- +<li><a title="Modified Fisher scale" href="/articles/modified-fisher-scale">modified Fisher scale</a></li>
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