Usefulness of a 2-F catheter electrode in a case with successful electrical isolation of remarkably hypoplastic right inferior pulmonary vein Takeshi.

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Presentation transcript:

Usefulness of a 2-F catheter electrode in a case with successful electrical isolation of remarkably hypoplastic right inferior pulmonary vein Takeshi Kitamura, MD, Seiji Fukamizu, MD, Rintaro Hojo, MD, Harumizu Sakurada, MD, PhD, Masayasu Hiraoka, MD, PhD, FHRS HeartRhythm Case Reports Volume 1, Issue 3, Pages 123-125 (May 2015) DOI: 10.1016/j.hrcr.2015.01.015 Copyright © 2015 Heart Rhythm Society Terms and Conditions

Figure 1 A: Three-dimensional enhanced computed tomography scanning of the left atrium. Note the remarkably hypoplastic RIPV. B: Three-dimensional electroanatomic mapping of catheter positions of the successful ablation site for the RIPV. LA = left atrium; RIPV = right inferior pulmonary vein; RtPA = right pulmonary artery. HeartRhythm Case Reports 2015 1, 123-125DOI: (10.1016/j.hrcr.2015.01.015) Copyright © 2015 Heart Rhythm Society Terms and Conditions

Figure 2 Fluoroscopic AP projection view of ablation arrays at ablation sites shown in Figure 1B. AP = anteroposterior; RIPV = right inferior pulmonary vein. HeartRhythm Case Reports 2015 1, 123-125DOI: (10.1016/j.hrcr.2015.01.015) Copyright © 2015 Heart Rhythm Society Terms and Conditions

Figure 3 A: Intracardiac electrograms at the initiation of atrial fibrillation from the remarkably hypoplastic RIPV firing. The arrows indicate firing from the RIPV. B: Intracardiac electrograms during radiofrequency application to electrically isolate the RIPV. The arrows indicate RIPV potentials. ABL = ablation; CS = coronary sinus; d = distal; p = proximal; RA = right atrium; RIPV = right inferior pulmonary vein; RSPV = right superior pulmonary vein. HeartRhythm Case Reports 2015 1, 123-125DOI: (10.1016/j.hrcr.2015.01.015) Copyright © 2015 Heart Rhythm Society Terms and Conditions