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Two\u2010dimensional echo and contrast ventriculography showed an apical aneurysm with thrombus. Surgery was indicated to resect the aneurysm and ablate the VT. Ventricular tachycardia recurred 1 month later despite therapy, including amiodarone. Two clinical frequent and well\u2010tolerated tachycardias were identified. The site of origin was located in the right ventricular apex and in the apical\u2010lateral wall of the left ventricle, respectively. Catheter ablation was performed at two sites with DC shocks (total energy 600 J) after unsuccessful radiofrequency ablation. Holter recordings performed during the postoperative period showed only infrequent extrasystoles. After follow\u2010up of 24 months the patient remains asymptomatic. Drug\u2010refractory VT in Chagasic cardiomyopathy can be ablated by medium\u2010energy DC shocks after failure of radiofrequency ablation.<\/jats:p>","DOI":"10.1002\/clc.4960200215","type":"journal-article","created":{"date-parts":[[2009,2,4]],"date-time":"2009-02-04T00:44:38Z","timestamp":1233708278000},"page":"169-174","source":"Crossref","is-referenced-by-count":10,"title":["Catheter ablation of ventricular tachycardia in chagasic cardiomyopathy"],"prefix":"10.1002","volume":"20","author":[{"given":"Fernando","family":"Rosas","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Victor","family":"Velasco","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Felipe","family":"Arboleda","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Hernando","family":"Santos","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Hernando","family":"Orjuela","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Nestor","family":"Sandoval","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Victor","family":"Caicedo","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Juan","family":"Correa","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Guy","family":"Fontaine","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2009,2,3]]},"reference":[{"key":"e_1_2_1_2_2","unstructured":"ChagasC:Nova Tripanozomiae humana. 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