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Isolation of an arrhythmogenic roof vein with the guide of a circular mapping catheter in a case with paroxysmal atrial fibrillation  Shin-ichi Tanigawa,

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Presentation on theme: "Isolation of an arrhythmogenic roof vein with the guide of a circular mapping catheter in a case with paroxysmal atrial fibrillation  Shin-ichi Tanigawa,"— Presentation transcript:

1 Isolation of an arrhythmogenic roof vein with the guide of a circular mapping catheter in a case with paroxysmal atrial fibrillation  Shin-ichi Tanigawa, MD, Michifumi Tokuda, MD, PhD, Michihiro Yoshimura, MD, PhD, Teiichi Yamane, MD, PhD, FHRS  HeartRhythm Case Reports  Volume 2, Issue 2, Pages (March 2016) DOI: /j.hrcr Copyright © 2016 Heart Rhythm Society Terms and Conditions

2 Figure 1 A: Three-dimensional electroanatomic mapping revealed a roof vein on the right-sided roof of the left atrium. A circular mapping catheter was placed at the ostium of the roof vein. The roof vein was successfully isolated by a single radiofrequency energy application (yellow tag). Red, green, and pink tags represent ablation sites of the pulmonary vein isolation, the roof line, and the mitral isthmus line, respectively. B: Left atriography demonstrates the roof vein, which fed into the left atrium. LAA = left atrial appendage; PV = pulmonary vein; LS = left superior; RS = right superior; RI = right inferior. HeartRhythm Case Reports 2016 2, DOI: ( /j.hrcr ) Copyright © 2016 Heart Rhythm Society Terms and Conditions

3 Figure 2 A: An intracardiac electrogram of the roof vein demonstrated 2 components of the potentials: the first component was passively activated circumferential potentials and the second component was local firings without conduction to the left atrium (blocked firings, arrowheads). B: A single radiofrequency energy application eliminated the circumferential potentials in the roof vein. White arrowheads demonstrate the disappearance of the roof vein potentials during ablation, and black arrowheads indicate the continuously observed far-field electrograms in the superior vena cava. HeartRhythm Case Reports 2016 2, DOI: ( /j.hrcr ) Copyright © 2016 Heart Rhythm Society Terms and Conditions

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