UMEM Educational Pearls

Category: Cardiology

Title: syncope and arrhythmias

Keywords: syncope, arrhythmia (PubMed Search)

Posted: 5/4/2008 by Amal Mattu, MD (Updated: 12/6/2023)
Click here to contact Amal Mattu, MD

The three factors that are most predictive of an arrhythmia as the cause of a syncopal episode are, in order:
1. abnormal ECG
2. history of CHF
3. age > 65

Overall, approximately 15-20% of cases of syncope are determined to be caused by an arrhythmia.