A 37-year-old man was admitted after syncope with facial trauma. He had been examined for bradycardia 6 years earlier, had a known complete right bundle branch block (RBBB) without structural heart disease. Electrocardiography (ECG) findings (Fig. 1a) now showed a trifascicular block (RBBB, left posterior fascicular block and a first-degree atrioventricular block with a PR interval of 244 ms), and an ST elevation in V2 [1]. An epsilon wave in V2 [2] can be suspected. The left ventricular ejection fraction was 57%; the right ventricle had normal wall thickness, without dilatation, confirmed with magnetic resonance imaging. A monomorphic ventricular tachycardia was induced (Fig. 1b). He recognised this arrhythmia as his main complaint.
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Is this ECG compatible with Brugada syndrome? Are the anomalies in the right precordial ST segments a sign of another disease? Is the arrhythmia related to Brugada syndrome?
Answer
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