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NIH Stroke Scale Calculator

Health
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Quantifies stroke severity based on a standardized neurological examination.

How To Use

How to use this calculator

Start with your values, or try a preset.

Step 1

Enter Level of Consciousness, Consciousness Questions, Consciousness Commands, Gaze, Visual Fields, Facial Palsy, Motor Arm - Left, Motor Arm - Right, Motor Leg - Left, Motor Leg - Right, Limb Ataxia, Sensory, Best Language, Dysarthria, and Extinction and Inattention in the units shown.

Step 2

Read Total NIHSS Score and Stroke Severity in the results panel. Results update as you change the inputs.

Step 3

Choose a preset to load an example, then adjust the values for your situation.

Worked Examples

Example calculations

See the inputs and their calculated results.

Minor Stroke Example

Level of Consciousness: 0 points; Consciousness Questions: 0 points; Consciousness Commands: 0 points; Gaze: 0 points; Visual Fields: 0 points; Facial Palsy: 1 points; Motor Arm - Left: 1 points; Motor Arm - Right: 0 points; Motor Leg - Left: 0 points; Motor Leg - Right: 0 points; Limb Ataxia: 0 points; Sensory: 0 points; Best Language: 0 points; Dysarthria: 0 points; Extinction and Inattention: 0 points

Total NIHSS Score: 2 points; Stroke Severity: Minor Stroke

Moderate Stroke Example

Level of Consciousness: 1 points; Consciousness Questions: 1 points; Consciousness Commands: 1 points; Gaze: 1 points; Visual Fields: 1 points; Facial Palsy: 2 points; Motor Arm - Left: 2 points; Motor Arm - Right: 2 points; Motor Leg - Left: 2 points; Motor Leg - Right: 2 points; Limb Ataxia: 1 points; Sensory: 1 points; Best Language: 1 points; Dysarthria: 1 points; Extinction and Inattention: 1 points

Total NIHSS Score: 20 points; Stroke Severity: Moderately Severe Stroke

Moderately Severe Stroke Example

Level of Consciousness: 2 points; Consciousness Questions: 2 points; Consciousness Commands: 2 points; Gaze: 2 points; Visual Fields: 2 points; Facial Palsy: 3 points; Motor Arm - Left: 3 points; Motor Arm - Right: 3 points; Motor Leg - Left: 3 points; Motor Leg - Right: 3 points; Limb Ataxia: 2 points; Sensory: 2 points; Best Language: 2 points; Dysarthria: 2 points; Extinction and Inattention: 2 points

Total NIHSS Score: 35 points; Stroke Severity: Severe Stroke

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Important

Use the result as an estimate and confirm any medical decisions with a qualified professional.