hunt_hess_classification: Hunt and Hess Classification for Subarachnoid Hemorrhage

In cliot: Clinical Indices and Outcomes Tools

Hunt and Hess Classification for Subarachnoid Hemorrhage

Description

Retrieves the Hunt and Hess Grade for patients with subarachnoid hemorrhage (SAH). This classification system correlates the severity of clinical presentation with surgical risk and mortality.

Usage

hunt_hess_classification(clinical_findings)

Arguments

clinical_findings

Numeric (1-5). Select the grade corresponding to the patient's clinical status: 1: Asymptomatic, mild headache, or slight nuchal rigidity. 2: Moderate/severe headache, nuchal rigidity, no deficit (except CN palsy). 3: Drowsy, confused, or mild focal deficit. 4: Stupor, moderate-severe hemiparesis, early decerebrate rigidity. 5: Deep coma, decerebrate rigidity, moribund.

Value

A list containing:

Hunt_Hess_Grade	The input grade.
Description	The clinical description associated with the grade.
Mortality_Rate	Estimated mortality percentage associated with the grade.

References

Hunt WE, Hess RM. Surgical risk as related to time of intervention in the repair of intracranial aneurysms. J Neurosurg. 1968;28(1):14-20. doi:10.3171/jns.1968.28.1.0014

Examples

# Example 1: Grade 2
# Severe headache and stiff neck
hunt_hess_classification(2)

# Example 2: Grade 5
# Comatose patient
hunt_hess_classification(5)

cliot documentation built on Dec. 1, 2025, 1:06 a.m.