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  • Title: Successful catheter ablation of ventricular tachycardia originating from the idiopathic saccular apical left ventricular aneurysm.
    Author: Ogawa M, Miyoshi K, Morito N, Kodama S, Yahiro E, Fujimi K, Ohta T, Mihara H, Yamanouchi Y, Urata H, Hiroki T, Saku K.
    Journal: Int J Cardiol; 2004 Feb; 93(2-3):343-6. PubMed ID: 14975580.
    Abstract:
    Left ventricular (LV) aneurysm has been recognized to frequently become a substrate of ventricular tachyarrhythmias. We report a case of a 66-year-old woman with symptomatic sustained monomorphic ventricular tachycardia (SMVT) originating from saccular apical LV aneurysm without definite underlying diseases. We performed catheter ablation using electroanatomical and conventional bipolar potential mapping. During SMVT, we found an area of fragmented potential -40 ms preceding the earliest wide QRS complex in the area of the apical LV aneurysm. Radiofrequency applications were delivered to this area. Since then, SMVT was no longer inducible by programmed electrical stimulation. The patient has remained free of VT recurrences during a subsequent 12-month follow-up period.
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