Atrial Tachycardia Utilizing Bachmann's Bundle as an Epicardial Bypass: A Case Suggestive of a Dual-Loop Mechanism
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A 70-year-old man with a history of prior ablation for atrial fibrillation presented with atrial tachycardia (AT). Electrophysiological studies revealed roof-dependent and localized-reentrant ATs. During each AT, widespread breakthrough activation was observed... ...
