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  • Title: Idiopathic ventricular tachycardia originating from the left ventricle near the His bundle.
    Author: Yamada T, Plumb VJ, Allred JD, McElderry HT, Doppalapudi H, Kay GN.
    Journal: Pacing Clin Electrophysiol; 2010 Dec; 33(12):e114-8. PubMed ID: 20345625.
    Abstract:
    A 62-year-old man with idiopathic ventricular tachycardia (VT) exhibiting left bundle branch block and left inferior axis QRS morphology with a Qr in lead III underwent electrophysiological testing. Successful ablation was achieved in the left ventricle (LV) at a site with an excellent pace map, adjacent to the His bundle electrogram recording site. At that site, the sequence of the ventricular electrogram and late potential recorded during sinus rhythm reversed during spontaneous premature ventricular contractions with the same QRS morphology as the VT. This case shows that VT can arise from the LV ostium adjacent to the membranous septum.
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