UMEM Educational Pearls

Category: Cardiology

Title: arrhythmias in syncope

Keywords: syncope, arrhythmias, dysrhythmias (PubMed Search)

Posted: 9/12/2010 by Amal Mattu, MD (Updated: 6/25/2022)
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17-18% of cases of syncope are attributable to arrhythmias

The greatest predictors of arrhythmias as the cause of syncope are:

a.            Abnormal ECG (odds ratio 8.1)

b.            History of CHF (odds ratio 5.3)

c.            Age older than 65 (odds ratio 5.4)


[Sarasin, et al. Academic Emergency Medicine 2003]