Nishaki Mehta, MD, Benjamin E. Peterson, MD, Roy M. John, MD, PhD

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Abnormal epicardial electrophysiologic substrate in patients with early repolarization pattern and reduced left ventricular systolic function: A report.

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Acute right ventricular failure complicating catheter ablation for right ventricular tachycardia Nishaki Mehta, MD, Benjamin E. Peterson, MD, Roy M. John, MD, PhD HeartRhythm Case Reports Volume 3, Issue 12, Pages 568-570 (December 2017) DOI: 10.1016/j.hrcr.2017.07.004 Copyright © 2017 Heart Rhythm Society Terms and Conditions

Figure 1 Resting electrocardiogram prior to ventricular tachycardia ablation. Late ventricular activation is seen in the precordial leads and limb leads (black arrows). HeartRhythm Case Reports 2017 3, 568-570DOI: (10.1016/j.hrcr.2017.07.004) Copyright © 2017 Heart Rhythm Society Terms and Conditions

Figure 2 Traces of induced ventricular tachycardias (VT). VT 1: left bundle left superior axis. VT2: left bundle right inferior axis (see text for details). HeartRhythm Case Reports 2017 3, 568-570DOI: (10.1016/j.hrcr.2017.07.004) Copyright © 2017 Heart Rhythm Society Terms and Conditions

Figure 3 Bipolar endocardial map of the right ventricle in a right (left panel) and left (right panel) anterior oblique view. The purple area represents bipolar voltage greater than 1.5 mV and blue, green, yellow, and orange colors represent progressively lower voltage. The red area represents voltage less than 0.5 mV, representing scar. There is extensive scarring of the entire anterior and lateral right ventricle. Ablation lesions are represented by magenta dots. PV = pulmonary valve; TV = tricuspid valve. HeartRhythm Case Reports 2017 3, 568-570DOI: (10.1016/j.hrcr.2017.07.004) Copyright © 2017 Heart Rhythm Society Terms and Conditions