The National Institutes of Health Stroke Scale (NIHSS)

Doctors use this scale to measure stroke severity by checking a patient's vision, movement, and speech. It helps medical teams plan treatment and track recovery in hospital settings.

National Institutes of Health Stroke Scale (NIHSS) PDF assessment form for stroke severity
NIHSS

National Institutes of Health Stroke Scale (NIHSS)

The National Institutes of Health Stroke Scale (NIHSS) is a standard tool used to quantify stroke severity. It evaluates 11 distinct areas, including consciousness, vision, and motor skills. This score helps healthcare teams make quick treatment decisions and track a patient's recovery progress.

Category

Diagnostic
Emergency care
Monitoring
Physical health

Disease

Assessment
Emergency Care
Clinical Measurement

Source

(Brott et al., 1989)

Author Name

Brott, T., Adams, H.P., Olinger, C.P., et al. (1989)

What is National Institutes of Health Stroke Scale (NIHSS)

The National Institutes of Health Stroke Scale (NIHSS) acts as the standard tool for measuring stroke severity. It helps clinicians make quick treatment choices. This scale with 11 items looks at critical neurological functions. It creates a score ranging from 0 to 42 to show exactly how much damage a stroke has caused to the brain. Doctors check specific areas like eye movement and visual fields plus facial movement and muscle strength. They also test sensation and language skills alongside speech clarity and attention to ensure nothing gets missed during the initial check. Assessing a patient takes less than 10 minutes at the bedside. This speed is key for deciding on clot dissolving drugs. Hospitals use it to track patient progress over time. It is a reliable way to predict recovery in the long run and helps teams plan the best rehab care for every single patient.

NIHSS Scoring

The National Institutes of Health Stroke Scale (NIHSS) can be scored using one main approach: a cumulative total. Clinicians rate 11 specific abilities, such as level of consciousness, gaze, motor function, and language. Each category gets a value from 0, meaning normal, up to 4 for total impairment. You will sum these individual ratings to get a final score ranging from 0 to 42. Higher numbers point to more severe neurological deficits. Generally, scores under 5 indicate a minor stroke, while anything above 21 suggests severe damage. This helps teams decide on the best treatment plan.

View scoring form

Advantages

Treatment planning

Develops personalised strategies based on assessment data.

Clear communication

Promotes active participation in healthcare assessment.

Reliable data

Provides consistent measurements for clinical research.

Outcome tracking

Measures healthcare intervention results systematically.

10
Minutes
15
Questions

Streamline National Institutes of Health Stroke Scale assessments with WeGuide

Digitise your stroke assessments. Automatically score and track NIHSS results to monitor recovery progress efficiently.

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