Typical atrial flutter is one of the most common of the atrial tachyarrhythmias and highly amenable to catheter ablation. This is based on a clear understanding of its electroanatomical circuit and critical dependence upon the cavo-tricuspid isthmus. Achieving a line of block across this isthmus is associated with a low rate of recurrence, reduced morbidity and improved quality of life.
KeywordsAtrial flutter Atrial tachycardia Cavo-tricuspid isthmus Catheter ablation Electrophysiological techniques
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