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J Innov Card Rhythm Manag
; 11(11): 4306-4312, 2020 Nov.
Article
in English
| MEDLINE
| ID: mdl-33262899
ABSTRACT
Biatrial flutter is a rare form of macro-reentrant atrial tachycardia that involves both the right and left atria. Single-loop biatrial flutter is typically associated with scarring of the septum from prior ablation or surgery and is generally made up of two interatrial connections-that is, the coronary sinus and Bachmann's bundle. Entrainment and high-density mapping allow for rapid diagnosis and development of a treatment strategy. Ablation planning should also take into consideration the preservation of interatrial conduction. We herein discuss a case of single-loop biatrial flutter presenting as a typical atrial flutter and review the differential diagnosis and physiology of the arrhythmia.