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The ABCD2 score: a poor predictor of stroke risk in the emergency department
Clinical Question:
In patients presenting with transient ischemic attack in the emergency department, what is the accuracy of the ABCD2 score for predicting stroke?
Article Chosen:
Perry JJ, Sharma M, Sivilotti ML, et al. Prospective validation of the ABCD2 score for patients in the emergency department with TIA. CMAJ 2011;183:1137-45.
Objective:
The study collaborators sought to externally validate the ABCD2 score as a tool for identifying patients seen in the emergency department with transient ischemic attack who are at high risk for stroke within 7 (primary outcome) and 90 (one of the secondary outcomes) days.
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