Successful Validation of the Canadian Syncope Risk Score

The Canadian Syncope Risk Score (CSRS) has shown promise for identifying patients with syncope who can be discharged from the emergency department (NEJM JW Emerg Med Mar 2019 and Circulation 2019; 139:1396). To prospectively validate the CSRS, the researchers who developed the score enrolled a new cohort of patients aged ≥16 years who presented to nine large Canadian emergency departments (EDs) within 24 hours of syncope and had no serious cause identified in the ED. Exclusion criteria included unconsciousness for longer than 5 minutes, traumatic injuries requiring admission, and inability to give a history. The nine CSRS predictors were collected prospectively. Patients were followed for 30 days through medical record review, phone calls, …