Emergency Medicine · Neurology
Rapid Arterial oCclusion Evaluation (RACE) Scale calculator
Enter the published formula inputs below to calculate and interpret this score.
Clinical inputs
Choose exactly one side-specific cortical assessment. With right hemiparesis, test aphasia using the commands ‘Close your eyes’ and ‘Make a fist’: both correct = 0, one correct = 1, neither = 2. With left hemiparesis, show the paretic arm and ask ‘Whose arm is this?’ (asomatognosia), then ask ‘Can you move your arms and clap your hands?’ (anosognosia): neither sign = 0, either sign = 1, both = 2. The alternatives are mutually exclusive.
Result
Complete all required inputs to calculate the score.
Formula inputs
- Facial palsy
- Arm motor function
- Leg motor function
- Head and gaze deviation
- Side-specific cortical sign
Primary source
Pérez de la Ossa N et al. Design and validation of a prehospital stroke scale to predict large arterial occlusion: the Rapid Arterial Occlusion Evaluation scale. Stroke. DOI: 10.1161/STROKEAHA.113.003071. PMID: 24281224 (2014)
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