Table 3.
The National Institutes of Health Stroke Scale (NIHSS)
|
The National Institutes of Health Stroke Scale (NIHSS) | ||
|
Level of consciousness |
0 |
Alert |
|
1 |
Not alert, arousable |
|
|
2 |
Not alert, obtunded |
|
|
3 |
Unresponsive |
|
|
LOC questions |
0 |
Answers both correctly |
|
1 |
Answers one correctly |
|
|
2 |
Incorrect |
|
|
LOC commands |
0 |
Obeys both correctly |
|
1 |
Obeys one correctly |
|
|
2 |
Incorrect |
|
|
Gaze |
0 |
Normal |
|
1 |
Partial gaze palsy |
|
|
2 |
Forced deviation |
|
|
Visual fields |
0 |
No visual loss |
|
1 |
Partial hemianopsia |
|
|
2 |
Complete hemianopsia |
|
|
3 |
Bilateral hemianopsia |
|
|
Facial palsy |
0 |
Normal |
|
1 |
Minor paralysis |
|
|
2 |
Partial paralysis |
|
|
3 |
Complete paralysis |
|
|
Motor arm (A)Left; (B) Right |
0 |
No drift |
|
1 |
Drift before 10s |
|
|
2 |
Falls before 10s |
|
|
3 |
No effort against gravity |
|
|
4 |
No movement |
|
|
Motor leg (A)Left; (B) Right |
0 |
No drift |
|
1 |
Drift before 10s |
|
|
2 |
Falls before 10s |
|
|
3 |
No effort against gravity |
|
|
4 |
No movement |
|
|
Ataxia |
0 |
Absent |
|
1 |
One limb |
|
|
2 |
Two limbs |
|
|
Sensory |
0 |
Normal |
|
1 |
Mild loss |
|
|
2 |
Severe loss |
|
|
Language |
0 |
Normal |
|
1 |
Mild aphasia |
|
|
2 |
Severe aphasia |
|
|
3 |
Mute or global aphasia |
|
|
Dysarthria |
0 |
Normal |
|
1 |
Mild |
|
|
2 |
Severe |
|
|
Extinction/inattention |
0 |
Normal |
|
1 |
Mild |
|
|
2 |
Severe |
|