Hunt and Hess Scale Calculator Sponsored Advertising placement Hunt & Hess Scale Clinical Decision Tool Grades clinical severity after aneurysmal subarachnoid haemorrhage. Clinical Grade Grade I — asymptomatic or minimal headache and slight nuchal rigidity +1 Grade II — moderate/severe headache, nuchal rigidity, no deficit except cranial nerve palsy +2 Grade III — drowsiness, confusion or mild focal deficit +3 Grade IV — stupor, moderate/severe hemiparesis, possible early decerebrate rigidity +4 Grade V — deep coma, decerebrate rigidity, moribund appearance +5 Calculate Hunt & Hess Scale Clear Calculator ☆ Log in to save Save this calculator to your MDPDA account. + Add to Toolkit Log in to save incomplete calculator progress and return later. Log in to save progress Clinical Decision Support Only MediCalc calculators are intended to support qualified healthcare professionals and must not replace professional clinical judgement. Do not enter patient-identifiable information into Saved Progress. Read our Clinical Disclaimer Sponsored Advertising placement