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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  ;  Sung-Soon Kim  ;  Moon-Hyoung Lee  ;  Boyoung Joung 
Citation
 Yonsei Medical Journal, Vol.52(6) : 1022-1024, 2011 
Journal Title
 Yonsei Medical Journal 
ISSN
 0513-5796 
Issue Date
2011
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.
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/95262
DOI
10.3349/ymj.2011.52.6.1022
Appears in Collections:
1. Journal Papers (연구논문) > 1. College of Medicine (의과대학) > Dept. of Internal Medicine (내과학교실)
Yonsei Authors
김성순(Kim, Sung Soon) ; 이문형(Lee, Moon Hyoung) ; 정보영(Joung, Bo Young)
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