![]() He presented for the index procedure in sinus rhythm. Two months later, he presented for consultation regarding treatment options and he elected to pursue electrophysiology study with radiofrequency ablation of the CTI. The patient was initiated on anticoagulation with dabigatran and rate control with diltiazem and underwent a transesophageal echocardiogram and direct current cardioversion. The appearance of the 12-lead electrocardiogram was consistent with typical counterclockwise cavotricuspid isthmus (CTI)-dependent right atrial flutter. Manuscript received October 1, 2014, final version accepted October 20, 2014.Īddress correspondence to: Sanjaya Gupta, MD, 20 NE Saint Luke's Blvd, Suite 240, Lee’s Summit, MO 64086.Ī 57-year-old male with a history of hypertension and tobacco abuse presented with fatigue and dyspnea on exertion and was noted to be in atrial flutter. The authors report no conflicts of interest for the published content. atrial flutter, cavotricuspid isthmus, novel technology, radiofrequency ablation. This is the first report of a novel means of identifying the critical region of recurrent typical right atrial flutter, utilizing a new ablation catheter. Ablation at this site terminated the atrial flutter within 33 s. A site was located at the distal CTI with a sharp atrial electrogram located only on the mini-electrodes with a low-voltage far-field atrial electrogram recorded on the distal electrode. ![]() Entrainment confirmed the flutter was CTI dependent. A repeat ablation procedure was performed utilizing the novel ablation catheter. The patient recurred with typical atrial flutter 5 months later. Bidirectional block was confirmed post ablation. After cardioversion, radiofrequency ablation of the cavotricuspid isthmus (CTI) was performed. A 57-year-old male with a history of hypertension presented with symptomatic atrial flutter. We report the first use of a novel radiofrequency ablation catheter with mini-electrodes embedded in the tip to detect and ablate the critical site of recurrent atrial flutter. Radiofrequency ablation of atrial flutter is a very successful procedure with rare recurrences. Luke’s Hospital, Mid America Heart Institute, Kansas City, MOĢ University of Missouri-Kansas City School of Medicine, Kansas City, MOĪBSTRACT. ![]() Rapid Ablation of Recurrent Atrial Flutter Using a Novel Ablation Catheterġ,2SANJAYA GUPTA, MD and 1,2MATTHEW TAYLOR, MDġ St. ![]()
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