Ventricular tachycardia with a myocardial fibre travelling from the origin in the right aortic sinus cusp to the epicardial breakout site of the right ventricular outflow tract
2008; Oxford University Press; Volume: 10; Issue: 4 Linguagem: Inglês
10.1093/europace/eun051
ISSN1532-2092
AutoresTakuya Yamada, Hugh T. McElderry, Harish Doppalapudi, G. Neal Kay,
Tópico(s)Atrial Fibrillation Management and Outcomes
ResumoA 74-year-old man with idiopathic ventricular tachycardia (VT) with a QRS morphology with a left bundle branch block and right inferior axis underwent electrophysiologic testing. Successful ablation was achieved at the right coronary cusp (RCC) where an excellent pace map with long stimulus-to-QRS interval (St-QRS) (85 ms) was obtained. An excellent pace map was also obtained on the epicardial surface ∼1 cm away from the successful ablation site and the St-QRS was shorter (40 ms). These findings suggested that a myocardial fibre travelling from the origin in the RCC to the epicardium of the right ventricular outflow tract might exist.
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