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. 2018 Jan 17;17(4):133–136. doi: 10.1016/j.jccase.2017.12.004

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© 2018 Japanese College of Cardiology. Published by Elsevier Ltd.

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Fig. 2 — Changes in the electrocardiogram according to the radiofrequency site of the right pulmonary vein. (a) The inferior wall of the right pulmonary vein. (b) The roof of the right pulmonary vein. Heart rate increased to approximately 100 beats per minute. (c) Anterior side of the superior right pulmonary vein. Twelve-lead electrocardiogram (ECG) revealed ST-segment elevation in the aVR lead (arrow) with atrial fibrillation. (d) 12-lead ECG showed monomorphic ventricular tachycardia suddenly progressing to ventricular fibrillation after radiofrequency for the anterior carina of the right pulmonary vein.