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Successful catheter ablation of focal automatic left ventricular tachycardia presented with tachycardia-mediated cardiomyopathy

Authors
 Hee-Woo Lee  ;  Jin-Bae Kim  ;  Boyoung Joung  ;  Moon-Hyoung Lee  ;  Sung-Soon Kim 
Citation
 YONSEI MEDICAL JOURNAL, Vol.52(6) : 1022-1024, 2011 
Journal Title
YONSEI MEDICAL JOURNAL
ISSN
 0513-5796 
Issue Date
2011
MeSH
Adult ; Cardiomyopathies/surgery* ; Catheter Ablation/methods* ; Humans ; Male ; Tachycardia, Ventricular/surgery* ; Ventricular Dysfunction/surgery
Keywords
Ventricular tachycardia ; ventricular dysfunction ; catheter ablation
Abstract
Non-reentrant focal tachycardias occur spontaneously, facilitated by catecholamine infusion, but they cannot be initiated or terminated with programmed stimulation. These tachycardias exhibit early activation before the QRS, however, do not typically show the mid-diastolic potential that is crucial for reentrant tachycardia maintenance. Electrophysiological studies are useful for distinguishing focal from macro-reentrant ventricular tachycardia. We report herein a case of patient without a history of structural heart disease who presented with a focal Purkinje ventricular tachycardia and heart failure. The focal Purkinje ventricular tachycardia was eliminated by radiofrequency catheter ablation. All of the patient's symptoms were improved after ablation.
Files in This Item:
T201193866.pdf Download
DOI
10.3349/ymj.2011.52.6.1022
Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Internal Medicine (내과학교실) > 1. Journal Papers
Yonsei Authors
Kim, Sung Soon(김성순)
Lee, Moon-Hyoung(이문형) ORCID logo https://orcid.org/0000-0002-7268-0741
Joung, Bo Young(정보영) ORCID logo https://orcid.org/0000-0001-9036-7225
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/95262
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