Early repolarization syndrome: A case report focusing on dynamic electrocardiographic changes before ventricular arrhythmias and genetic analysis Vern.

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Presentation transcript:

Early repolarization syndrome: A case report focusing on dynamic electrocardiographic changes before ventricular arrhythmias and genetic analysis Vern Hsen Tan, MBBS, MRCP, Henry Duff, MD, Brenda Gerull, MD, Glen Sumner, MD HeartRhythm Case Reports Volume 1, Issue 4, Pages 213-216 (July 2015) DOI: 10.1016/j.hrcr.2015.03.001 Copyright © 2015 Heart Rhythm Society Terms and Conditions

Figure 1 A: Twelve-lead ECG (with magnification of inferolateral single beat) showing J-point elevation (1 mm) in leads II, III, aVF, V5, and V6 associated with upsloping ST segment. B: Polymorphic ventricular tachycardia triggered by relatively short coupling premature ventricular complex (270 ms) with short–long–short interval before the arrhythmia event. HeartRhythm Case Reports 2015 1, 213-216DOI: (10.1016/j.hrcr.2015.03.001) Copyright © 2015 Heart Rhythm Society Terms and Conditions

Figure 2 J-point elevation (↑) increases during atrial fibrillation with long R-R intervals. HeartRhythm Case Reports 2015 1, 213-216DOI: (10.1016/j.hrcr.2015.03.001) Copyright © 2015 Heart Rhythm Society Terms and Conditions

Figure 3 Intracardiac electrogram showed inverted J wave (↓) in sinus beat with long cycle length compared to absence of J wave (isoelectric ST segment, ↔) in sinus beat with short cycle length (followed by relatively short coupling premature ventricular complex). Atrial intracardiac electrograms are not shown. HeartRhythm Case Reports 2015 1, 213-216DOI: (10.1016/j.hrcr.2015.03.001) Copyright © 2015 Heart Rhythm Society Terms and Conditions