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Cardiac inflammation and ventricular tachycardia in Chagas disease

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1 Cardiac inflammation and ventricular tachycardia in Chagas disease
Hilary Shapiro, MD, Sheba Meymandi, MD, Kalyanam Shivkumar, MD, PhD, FHRS, Jason S. Bradfield, MD, FHRS  HeartRhythm Case Reports  Volume 3, Issue 8, Pages (August 2017) DOI: /j.hrcr Copyright © 2017 Heart Rhythm Society Terms and Conditions

2 Figure 1 Evidence of cardiac magnetic resonance imaging delayed enhancement consistent with scar in a patient with Chagas disease (A, B) and 18F-fluoro-2-deoxy-D-glucose-positron emission tomography (PET) findings (C-E), with some regions of overlap (concordant) and others where there is no delayed enhancement but abnormal PET findings (discordant). HeartRhythm Case Reports 2017 3, DOI: ( /j.hrcr ) Copyright © 2017 Heart Rhythm Society Terms and Conditions

3 Figure 2 The fluoroscopic left anterior oblique image catheter position during epicardial and endocardial ventricular tachycardia (VT) ablation of Patient 1 is shown (C). The patient subsequently returned with sustained slow VT, shown on 3-lead rhythm strip (A). The previously obtained 18F-fluoro-2-deoxy-D-glucose-positron emission tomography–computed tomography and associated abnormalities (B) are shown. ABL = ablation catheter; CS = coronary sinus; DD = duodecapolar mapping catheter; EPI = epicardial sheath; HIS = HIS bundle catheter; ICE = intracardiac echo catheter; RA = right atrial lead; RV = right ventricular lead; TS = transseptal catheter. HeartRhythm Case Reports 2017 3, DOI: ( /j.hrcr ) Copyright © 2017 Heart Rhythm Society Terms and Conditions

4 Figure 3 A: Electrocardiogram demonstrating inferoseptal ventricular tachycardia (VT) and successful antitachycardia pacing therapy. VT appears to be originating from the corresponding anatomic region of the abnormal 18F-fluoro-2-deoxy-D-glucose-positron emission tomography uptake (B–D). HeartRhythm Case Reports 2017 3, DOI: ( /j.hrcr ) Copyright © 2017 Heart Rhythm Society Terms and Conditions

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