NIH Stroke Scale (NIHSS) Calculator

Standardized assessment of stroke severity

1a. Level of Consciousness
?
Alert, keenly responsive 0
Not alert but arousable 1
Responds only with reflex actions 2
Unresponsive 3
1b. Orientation Questions
?
Answers both correctly 0
Answers one correctly 1
Both questions incorrect 2
1c. Commands Response
?
Obeys both commands 0
Obeys one command 1
No correct response 2
2. Best Gaze
?
Normal eye movements 0
Partial gaze palsy 1
Forced eye deviation 2
3. Visual Fields
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No visual field defect 0
Partial hemianopia 1
Complete hemianopia 2
Bilateral hemianopia 3
4. Facial Palsy
?
Normal symmetric movement 0
Minor facial weakness 1
Partial facial weakness 2
Complete facial paralysis 3
5a. Left Arm Motor
?
No drift 0
Drift before 10 seconds 1
Falls before 10 seconds 2
No effort against gravity 3
No movement 4
5b. Right Arm Motor
?
No drift 0
Drift before 10 seconds 1
Falls before 10 seconds 2
No effort against gravity 3
No movement 4
6a. Left Leg Motor
?
No drift 0
Drift before 5 seconds 1
Falls before 5 seconds 2
No effort against gravity 3
No movement 4
6b. Right Leg Motor
?
No drift 0
Drift before 5 seconds 1
Falls before 5 seconds 2
No effort against gravity 3
No movement 4
7. Limb Ataxia
?
No ataxia present 0
Ataxia in one limb 1
Ataxia in two limbs 2
8. Sensory
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Normal sensation 0
Mild sensory loss 1
Severe sensory loss 2
9. Best Language
?
No aphasia 0
Mild-to-moderate aphasia 1
Severe aphasia 2
Mute/global aphasia 3
10. Dysarthria
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Normal articulation 0
Mild dysarthria 1
Severe dysarthria 2
11. Extinction/Inattention
?
No evidence of neglect 0
Partial neglect 1
Complete neglect 2
0/42