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Cardiac magnetic resonance imaging for coregistration during ablation of ischemic ventricular tachycardia for identification of the critical isthmus 

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Presentation on theme: "Cardiac magnetic resonance imaging for coregistration during ablation of ischemic ventricular tachycardia for identification of the critical isthmus "— Presentation transcript:

1 Cardiac magnetic resonance imaging for coregistration during ablation of ischemic ventricular tachycardia for identification of the critical isthmus  Livio Bertagnolli, MD, Federica Torri, MD, Ingo Paetsch, MD, Cosima Jahnke, MD, Gerhard Hindricks, MD, FHRS, Arash Arya, MD, FHRS, Borislav Dinov, MD  HeartRhythm Case Reports  Volume 4, Issue 2, Pages (February 2018) DOI: /j.hrcr Copyright © 2017 Heart Rhythm Society Terms and Conditions

2 Figure 1 Three-dimensional scar reconstruction of a high-resolution late gadolinium–enhanced cardiac magnetic resonance image merged with the CARTO-derived electroanatomic voltage map. The position of the PentaRay catheter is demonstrated, with red circles indicating respective electrodes in the ventricular tachycardia channel from the entrance to the exit: 17-18, 13-14, and Green lines indicate conducting channels as detected on late gadolinium–enhanced cardiac magnetic resonance images (left); pace map from electrodes resulted in a PaSo score of 96.4% (right). HeartRhythm Case Reports 2018 4, 70-72DOI: ( /j.hrcr ) Copyright © 2017 Heart Rhythm Society Terms and Conditions

3 Figure 2 A: Ventricular tachycardia (VT) morphology on the 12-lead electrocardiogram. B: Electrograms from the PentaRay splines during VT demonstrating activation through the VT-protected isthmus: from (prediastolic) to (mid-diastolic) and 9-10 (end-diastolic). HeartRhythm Case Reports 2018 4, 70-72DOI: ( /j.hrcr ) Copyright © 2017 Heart Rhythm Society Terms and Conditions

4 Figure 3 A: During sinus rhythms, pacing from PentaRay electrodes located in the middle of the protected isthmus during ventricular tachycardia. B: Twelve-lead electrocardiogram during stimulation from PentaRay showing a clinical ventricular tachycardia and paced QRS correlation of 96% (Figure 2) and a long S-QRS interval. HeartRhythm Case Reports 2018 4, 70-72DOI: ( /j.hrcr ) Copyright © 2017 Heart Rhythm Society Terms and Conditions

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