Resolution of new left bundle branch block and ventricular tachycardia with immunosuppressive therapy in a patient with cardiac sarcoidosis Aatish Garg,

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Resolution of new left bundle branch block and ventricular tachycardia with immunosuppressive therapy in a patient with cardiac sarcoidosis Aatish Garg, MD, Huzaefah Syed, MD, Santosh K. Padala, MD, Kenneth A. Ellenbogen, MD, FHRS, Jordana Kron, MD, FHRS HeartRhythm Case Reports Volume 5, Issue 7, Pages 388-391 (July 2019) DOI: 10.1016/j.hrcr.2019.04.006 Copyright © 2019 Heart Rhythm Society Terms and Conditions

Figure 1 Cardiac magnetic resonance imaging showing delayed gadolinium enhancement of the basal right ventricular septum (arrow). HeartRhythm Case Reports 2019 5, 388-391DOI: (10.1016/j.hrcr.2019.04.006) Copyright © 2019 Heart Rhythm Society Terms and Conditions

Figure 2 A: Baseline electrocardiogram (ECG) showing sinus rhythm with normal PR interval and QRS duration 88 ms. B: ECG showing development of first-degree atrioventricular block with PR interval 248 ms and left bundle branch block with QRS 146 ms. C: ECG after 3 weeks of steroids showing PR interval 228 ms and interventricular conduction delay with QRS 136 ms. D: ECG 5 months later shows PR interval 204 ms and narrow QRS 88 ms. HeartRhythm Case Reports 2019 5, 388-391DOI: (10.1016/j.hrcr.2019.04.006) Copyright © 2019 Heart Rhythm Society Terms and Conditions