ROSIER Scale

Differentiates acute stroke from mimics in the emergency room from history and focal signs; a recognition (rule-in) tool - a score of 0 or below does not exclude stroke.

Loss of consciousness or syncope (history)

Seizure activity (history)

New acute asymmetric facial weakness (new onset or on awakening)

New acute asymmetric arm weakness (new onset or on awakening)

New acute asymmetric leg weakness (new onset or on awakening)

New acute speech disturbance (new onset or on awakening)

New acute visual field defect (new onset or on awakening)