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NIH Stroke Scale (NIHSS)
Gold-standard stroke severity scale — used in ERs and stroke centers to assess and track acute ischemic stroke severity. Required for thrombolysis eligibility.
ABCD² Score
Predicts early stroke risk after a TIA — important for triage and inpatient admission decisions.
Modified Rankin Scale (mRS)
Assesses functional disability after a stroke — used in clinical trials and post-stroke follow-up care.