الفهرس 
INTRODUCTIONOnly 14 pages are availabe for public view
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Abstract
Syncope defined as loss of postural tone led to transient loss of consciousness, which caused by diffuse cerebral ischemia, usually associated with spontaneous, rapid and complete recovery.
Underlying causes for syncope are mostly benign with a small proportion of patients experiencing potentially life-threatening conditions such as ventricular arrhythmia, myocardial infarction and pulmonary embolism.
Differentiating benign from more sinister causes can be challenging as patients often appear well with little clinical features to suggest an underlying cause upon arrival to ED. Syncope guidelines provide some direction on diagnostic and disposition strategies. However, recommendations are often consensus based relying on local context and resources, therefore not always generalizable
The Canadian Syncope Risk Score (CSRS) is the latest syncope decision rule to be developed; nine predictors were derived, encompassing clinical evaluation, investigations and likely ED diagnosis to produce a patient risk score between −3 and 11. Risk scores are grouped into risk categories based on the likelihood of serious adverse events (SAEs)
Our study aimed to determine the ability of the Canadian Syncope Risk Score (CSRS) to predict 30-day serious outcomes in patients presenting to the emergency department of Suez Canal university teaching hospitals (ED) with syncope.