Annals of emergency medicine
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Review Meta Analysis
Accuracy and quality of clinical decision rules for syncope in the emergency department: a systematic review and meta-analysis.
We assess the methodological quality and prognostic accuracy of clinical decision rules in emergency department (ED) syncope patients. ⋯ The methodological quality and prognostic accuracy of clinical decision rules for syncope are limited. Differences in study design and ECG interpretation may account for the variable prognostic performance of the San Francisco Syncope Rule when validated in different practice settings.