Case Studies

Arrhythmia Grand Rounds, June 2015, Volume 1, Issue 2: 53-55
DOI: 10.12945/j.agr.2015.025-15

Apparent Fusion Beat During Broad-QRS Complex Tachycardia – What is the Mechanism?

Emily C Hodkinson, MBChB1, Peter Kabunga, MBChB1, George J. Klein, MD3, Raymond W. Sy, MBBS, PhD1,2

1 Department of Cardiology, Royal Prince Alfred Hospital, Sydney, New South Wales, Australia
2 Sydney Medical School, University of Sydney, Sydney, New South Wales, Australia
3 University of Western Ontario, London, Ontario, Canada


The observation of a fusion beat during the broad complex tachycardia can be very pivotal to identifying both the mechanism and the location of the tachycardia.

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