A broad complex tachycardia suggesting global ischemia or repolarization abnormalities.

Charis GkalapisMarios PapadakisClaire A MartinGeorge Bazoukis Konstantinos P LetsasKonstantinos Vlachos

Published in: Journal of arrhythmia (2021)

Our case presents a cavotricuspid isthmus (CTI)-dependent atrial flutter (AFL) with 1:1 atrioventricular conduction and pronounced ST-segment elevation in aVR, previously described as a "shark fin phenomenon," mimicking a broad complex tachycardia with a ventricular origin.

Keyphrases

catheter ablation
atrial fibrillation
left atrial
heart failure