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Neurology · Emergency Medicine

NIH Stroke Scale (NIHSS) calculator

Enter the published formula inputs below to calculate and interpret this score.

Clinical inputs

Level of consciousness
LOC questions: month and age
LOC commands: open/close eyes and grip/release hand
Best gaze
Visual fields
Facial palsy
Motor: left arm
Motor: right arm
Motor: left leg
Motor: right leg
Limb ataxia
Sensory
Best language
Dysarthria
Extinction and inattention

Result

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Clinical inputs

  • Level of consciousness
  • LOC questions: month and age
  • LOC commands: open/close eyes and grip/release hand
  • Best gaze
  • Visual fields
  • Facial palsy
  • Motor: left arm
  • Motor: right arm
  • Motor: left leg
  • Motor: right leg
  • Limb ataxia
  • Sensory
  • Best language
  • Dysarthria
  • Extinction and inattention

Primary source

Lyden P et al. Improved reliability of the NIH Stroke Scale using video training. Stroke (1994)

View source