The Hunt and Hess Scale is a bedside clinical grading system used in aneurysmal subarachnoid hemorrhage (SAH) to describe initial neurological severity and help predict prognosis. Higher grades correlate with worse outcomes and guide urgency and aggressiveness of management.
Hunt and Hess Scale (SAH)
Clinical grading for aneurysmal subarachnoid hemorrhage. Select the best-fit grade. Optional: upgrade by one grade if serious systemic disease or severe vasospasm is present.
Select clinical grade
Optional upgrading rule


