Rapid Arterial oCclusion Evaluation (RACE) scale

Item	RACE score	NIHSS score equivalence
Facial palsy
Absent	0	0
Mild	1	1
Moderate to severe	2	2 to 3
Arm motor function
Normal to mild	0	0 to 1
Moderate	1	2
Severe	2	3 to 4
Leg motor function
Normal to mild	0	0 to 1
Moderate	1	2
Severe	2	3 to 4
Head and gaze deviation
Absent	0	0
Present	1	1 to 2
Aphasia* (if right hemiparesis)
Performs both tasks correctly	0	0
Performs 1 task correctly	1	1
Performs neither tasks	2	2
Agnosia^¶ (if left hemiparesis)
Patient recognizes their arm and the impairment	0	0
Does not recognize their arm or the impairment	1	1
Does not recognize their arm nor the impairment	2	2
Score total	0 to 9

* Aphasia: Ask the patient to (1) "close your eyes"; (2) "make a fist" and evaluate if the patient obeys.
¶ Agnosia: Ask the patient: (1) while showing their the paretic arm: "Whose arm is this" and evaluate if the patient recognizes their own arm. (2) "Can you lift both arms and clap" and evaluate if the patient recognizes their functional impairment.

From: Pérez de la Ossa N, Carrera D, Gorchs M, et al. Design and validation of a prehospital stroke scale to predict large arterial occlusion: the rapid arterial occlusion evaluation scale. Stroke 2014; 45:87. DOI: 10.1161/STROKEAHA.113.003071. Copyright © American Heart Association. Reproduced with permission from Wolters Kluwer Health. Unauthorized reproduction of this material is prohibited.

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Rapid Arterial oCclusion Evaluation (RACE) scale