Emergency Medicine · Neurology

Rapid Arterial oCclusion Evaluation (RACE) Scale calculator

Enter the published formula inputs below to calculate and interpret this score.

Clinical inputs

Facial palsy

Arm motor function

Leg motor function

Head and gaze deviation

Side-specific cortical sign

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

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Clinical 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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