NIHSS Stroke Scale Calculator

1. Level of Consciousness

1a. LOC – Response to Questions

0 – Answers both correctly (Month & Age) 1 – Answers one correctly 2 – Answers neither correctly / Mute

1b. LOC – Response to Commands

0 – Performs both correctly (Eyes open/close & Hand squeeze) 1 – Performs one correctly 2 – Performs neither correctly

1c. Best Gaze

0 – Normal 1 – Partial gaze palsy 2 – Forced deviation

2. Visual & Motor Function

2. Visual Field

0 – No visual loss 1 – Partial hemianopia 2 – Complete hemianopia 3 – Bilateral hemianopia (Blind)

3. Facial Palsy

0 – Normal symmetrical movements 1 – Minor paralysis (Naso-labial fold flattening) 2 – Partial paralysis (Lower face) 3 – Complete paralysis (Upper and lower face)

3. Motor Function (Drift)

4. Motor Arm Left

5. Motor Arm Right

6. Motor Leg Left

7. Motor Leg Right

4. Other Functions

8. Limb Ataxia (Finger-Nose-Finger, Heel-Knee-Shin)

0 – Absent 1 – Present in one limb 2 – Present in two limbs

9. Sensory

0 – Normal, no sensory loss 1 – Mild-to-moderate sensory loss (Dull to pinprick) 2 – Severe or total sensory loss (No feeling)

10. Language (Aphasia)

0 – Normal, no aphasia 1 – Mild-to-moderate aphasia 2 – Severe aphasia 3 – Mute/Global Aphasia

11. Dysarthria

0 – Normal 1 – Mild-to-moderate dysarthria 2 – Severe dysarthria/Anarthria

12. Extinction and Inattention (Neglect)

0 – No neglect 1 – Visual, tactile, auditory, or spatial inattention (Neglect) to one side 2 – Profound neglect or extinction to more than one modality