Cavotricuspid isthmus ablation using multimodality imaging in Ebstein anomaly with a mechanical tricuspid valve replacement Sang Hyun Lee, MD, Hyung.

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Presentation transcript:

Cavotricuspid isthmus ablation using multimodality imaging in Ebstein anomaly with a mechanical tricuspid valve replacement Sang Hyun Lee, MD, Hyung Oh Choi, MD, Ki Won Hwang, MD, FHRS HeartRhythm Case Reports Volume 4, Issue 8, Pages 346-349 (August 2018) DOI: 10.1016/j.hrcr.2018.04.012 Copyright © 2018 Heart Rhythm Society Terms and Conditions

Figure 1 Multislice contrast-enhanced computed tomography scan. A: The coronary sinus drains into the right atrium under the ring of the mechanical valve (white arrow). B: The right oblique view of the computed tomography scan revealed that the ring of the mechanical valve is located on the true atrioventricular annulus. CS = coronary sinus; RA = right atrium; RV = right ventricle. HeartRhythm Case Reports 2018 4, 346-349DOI: (10.1016/j.hrcr.2018.04.012) Copyright © 2018 Heart Rhythm Society Terms and Conditions

Figure 2 A 3-dimensional geometry was created using a PentaRay catheter. An activation map of 503 points was acquired. The activation map of atrial flutter showing the clockwise activation pattern around the tricuspid annulus in the right anterior oblique (LAO) and left anterior oblique (RAO) views. IVC = inferior vena cava; SVC = superior vena cava. HeartRhythm Case Reports 2018 4, 346-349DOI: (10.1016/j.hrcr.2018.04.012) Copyright © 2018 Heart Rhythm Society Terms and Conditions

Figure 3 A: The fluoroscopic aspect in the right oblique view during radiofrequency catheter ablation. B: Intracardiac echocardiography showing good contact of the ablation catheter (white arrow) at the ventricular end of the cavotricuspid isthmus. ABL = ablation. HeartRhythm Case Reports 2018 4, 346-349DOI: (10.1016/j.hrcr.2018.04.012) Copyright © 2018 Heart Rhythm Society Terms and Conditions