NIH Stroke Scale (Simplified Screening)

An 11-item educational version of the NIH Stroke Scale that estimates stroke severity. For learning and rough screening only — acute stroke is a time-critical emergency.

✓ Reviewed by Dr. Poonam Sekhon Chahal · 24 May 2026
Designed for healthcare professionals or trained caregivers — not for self-diagnosis. If you have symptoms, seek medical care.

How this is calculated

Sum of 11 neurological items (with motor arm and leg scored per side). Severity bands: 0 none, 1–4 minor, 5–15 moderate, 16–20 moderate-to-severe, 21–42 severe.

Sources

  1. Brott T, et al. Measurements of acute cerebral infarction: a clinical examination scale. Stroke 1989.
This calculator is for educational purposes and is not a substitute for professional medical advice, diagnosis, or treatment. The result is based on standard clinical formulas applied to the values you entered — your individual situation may need adjustments your doctor can make. Never disregard professional medical advice or delay seeking it because of something you read or calculated on healthcalculus.