Idiopathic Left Ventricular Tachycardia: What Is New in Pathophysiology? When and How to Perform RF Ablation?
- 48 Downloads
In 1979, Zipes et al. [11 reported about a peculiar category of ventricular tachycardia characterized by a QRS 0.12 to 0.14 s long, a right bundle branch block configuration and a left deviation of the electrical axis. Further reports have confirmed that this arrhythmia occurs in individuals who are otherwise healthy (idiopathic, I) and originates from the postero-inferior left ventricular septum (left ventricular tachycardia, LVT), as postulated by Zipes et al. ; in addition, the modality of onset during programmed electrical stimulation as well as the response to pharmacologic agents have suggested that the mechanism that is most probably responsible for ILVT is reentry .
KeywordsVentricular Tachycardia Sinus Rhythm Catheter Ablation Right Bundle Branch Block Program Electrical Stimulation
Unable to display preview. Download preview PDF.
- 4.Fontaine G, Tomet Jl, Frank R et al (1987) Electrode catheter ablation of resistant ventricular tachycardia by endocavitary fulguration associated with antiarrhythmic therapy: experiences of 38 patients with a mean follow-up of 23 months. In: Brugada P, Wellens HJJ (eds) Cardiac arrhythmias: where to go from here? Futura, Mount Kisko, NY, pp 539–569Google Scholar
- 10.Cappato R, Schlüter M, Mletzko RU (1994) Idiopathic left ventricular tachycardia: is the Purkinje network a substrate for reentry or a bystander? Circulation I - 557Google Scholar