ROSIER Score Calculator

⚠️ REQUIRED PRE-ASSESSMENT

A. Negative Predictors (Mimic Screening)

B. Positive Predictors (Focal Deficits)

Total ROSIER Score
0
Complete Assessment
Score RangeStroke Probability
≤ 0Low probability (Stroke mimic likely)
1 to 5High probability (Immediate imaging required)

High-value / institutional / guideline-level sources for ROSIER

University of Maryland School of Medicine — Department of Emergency Medicine / UMEM “Educational Pearls”

A publicly accessible ER-focused summary of ROSIER: includes scale details, usage notes, sensitivity/specificity, score interpretation.

Original validation study: The foundational peer-reviewed study that introduced ROSIER, defines its scoring schema, sensitivity/specificity, etc.