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Epicardial ablation of ventricular tachycardia in a patient with Becker muscular dystrophy  Siva Mohan Krothapalli, MD, Elaine Demetroulis, MD, Gardar.

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Presentation on theme: "Epicardial ablation of ventricular tachycardia in a patient with Becker muscular dystrophy  Siva Mohan Krothapalli, MD, Elaine Demetroulis, MD, Gardar."— Presentation transcript:

1 Epicardial ablation of ventricular tachycardia in a patient with Becker muscular dystrophy 
Siva Mohan Krothapalli, MD, Elaine Demetroulis, MD, Gardar Sigurdsson, MD, Gary Goldsmith, RT, Alexander Mazur, MD  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: Electrocardiogram-gated cardiac computed tomography image with a volumetric, color-coded, first-pass contrast enhancement map of the left ventricle (LV). Note an area of hypoenhancement in the inferolateral wall of the LV (arrows) suggesting abnormal myocardial substrate. B: Epicardial voltage map demonstrates an extensive area of low-amplitude (<1 mV) and fractionated electrograms consistent with “scar” in the inferolateral LV. Sites with diastolic potentials recorded during initially induced ventricular tachycardia are shown as blue spheres. Teal and red spheres represent ablation lesions color-coded according to their duration. Phrenic nerve capture sites are marked with white spheres. C: An example of high-frequency multicomponent potentials (Maps 1–5) recorded in the area of epicardial “scar” in sinus rhythm. HeartRhythm Case Reports 2016 2, DOI: ( /j.hrcr ) Copyright © 2016 Heart Rhythm Society Terms and Conditions

3 Figure 2 A: Twelve-lead electrocardiogram of the initially induced ventricular tachycardia. B: Examples of high-frequency diastolic potentials (Maps 4 and 5) recorded in the area of the epicardial “scar.” HeartRhythm Case Reports 2016 2, DOI: ( /j.hrcr ) Copyright © 2016 Heart Rhythm Society Terms and Conditions

4 Figure 3 Twelve-lead electrocardiograms of ventricular tachycardias induced following initial ablation. HeartRhythm Case Reports 2016 2, DOI: ( /j.hrcr ) Copyright © 2016 Heart Rhythm Society Terms and Conditions

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