The wide range of causes of syncope results in an even wider range of possible management strategies.
Analyzing the literature to determine predictors of adverse outcomes after syncope is challenging because of the large variability in the definition of an "adverse event" and the timing of the event. Outcome determinations range from 7 days to 5 years. Clearly, a 1-year outcome risk is not as relevant as a 3-day to 7-day risk in the ED determination on whether to admit or discharge a patient.
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