cavotricuspid isthmus


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cavotricuspid isthmus

The electrically conductive tissue that separates the inferior vena cava from the tricuspid valve. It is the part of the atrium in which the re-entrant electrical activity of atrial flutter circulates.
See also: isthmus
References in periodicals archive ?
Ablation of atrial fibrillation at the time of cavotricuspid isthmus ablation in patients with atrial flutter without documented atrial fibrillation derives a better long-term benefit.