NIHSS Score Calculator

๐Ÿง  NIHSS Score Calculator

National Institutes of Health Stroke Scale โ€” the standard tool for grading acute stroke severity

Total Score
0 / 42
No symptoms

1๏ธโƒฃ Consciousness

1aLevel of Consciousness
1bLOC Questions โ€” month and age
1cLOC Commands โ€” open/close eyes, grip/release hand

2๏ธโƒฃ Visual / Ocular Motility

2Best Gaze
3Visual Fields

3๏ธโƒฃ Motor

4Facial Palsy
5aLeft Arm Motor (90ยฐ sitting, 45ยฐ supine)
5bRight Arm Motor
6aLeft Leg Motor (30ยฐ supine)
6bRight Leg Motor
7Limb Ataxia โ€” finger-nose, heel-shin

4๏ธโƒฃ Sensory ยท Language ยท Cognition

8Sensory
9Best Language
10Dysarthria
11Extinction and Inattention (Neglect)

๐Ÿ“Š NIHSS Severity Interpretation

0No symptoms
1โ€“4Minor stroke
5โ€“15Moderate stroke
16โ€“20Moderate to severe
21โ€“42Severe stroke
โš ๏ธ Clinical use caution. This calculator is an educational tool for automatically summing an NIHSS score. Actual clinical decisions should follow the standard, certified NIHSS examination procedure and a comprehensive patient assessment. Critical decisions such as tPA eligibility must follow guidelines and specialist judgment.
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