NIHSS Score -Stroke Calculator

NIHSS Score - Stroke Calculator is a fast, reliable clinical reference tool for calculating the National Institutes of Health Stroke Scale (NIHSS) score at the bedside. Designed for use by neurologists, stroke physicians, emergency clinicians, and nursing staff involved in acute stroke care.

The first four NIHSS items are free to use. A one-time in-app purchase unlocks the complete assessment — no subscription.

⚠ DISCLAIMER: This app is independently developed and is NOT affiliated with, endorsed by, or representing the National Institutes of Health (NIH), any government body, or official organisation.

The NIHSS is a validated stroke assessment tool. Official NIH source:
https://www.ninds.nih.gov/health-information/stroke/assess-and-treat/nih-stroke-scale

FEATURES:
- Free to try — score the first four NIHSS items at no cost
- One-time purchase unlocks the full assessment (no subscription)
- Real-time score calculation as you select responses
- Score interpretation with stroke severity grading
- Clean, distraction-free interface optimised for clinical use
- Adjustable font size with persistent memory
- Works fully offline — no internet connection required
- No registration or login required

NIHSS DOMAINS COVERED:
- Level of consciousness
- Gaze and visual fields
- Facial palsy
- Motor arm and leg
- Limb ataxia
- Sensory
- Language and dysarthria
- Extinction and inattention

SCORE INTERPRETATION:
0 = No stroke | 1-4 = Minor | 5-15 = Moderate | 16-20 = Moderate-severe | 21-42 = Severe

Developer: Dr Atif Elnil, MBBS MRCP - Neurology & Stroke Fellow, St George's Hospital London

More clinical reference apps from the same developer are available on our Google Play developer page.

Recent changes:
Improvements to the calculator and general bug fixes.