NIH Stroke Scale (NIHSS) Calculator
NIHSS 0: No stroke symptoms
NIHSS 1–4: Minor stroke
NIHSS 5–15: Moderate stroke
NIHSS 16–20: Moderate to severe stroke
NIHSS 21–42: Severe stroke
This tool walks you through NIHSS questions. Click Yes (green) or No (red) for each impairment listed. The score updates when you click "Calculate NIHSS."
