Document Detail


Mechanistic Heterogeneity of Junctional Ectopic Tachycardia in Adults.
MedLine Citation:
PMID:  21954877     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
Spontaneous junctional ectopic tachycardia (JET) in adults is rare, and the electrophysiologic mechanism has not been definitively established. Two patients who presented with JET, not associated with cardiac surgery, were evaluated and studied in the electrophysiology laboratory, and electrophysiologic and pharmacologic maneuvers were performed to assess the mechanisms of tachycardia. The junctional tachycardia in Patient 1 manifested characteristics consistent with a triggered mechanism, and was sensitive to adenosine. The junctional tachycardia in Patient 2 manifested characteristics consistent with abnormal automaticity, and was insensitive to adenosine. This is a rare clinical example of abnormal automaticity. These two cases demonstrate that JET may be due to multiple mechanisms, with data consistent with triggered activity and abnormal automaticity. (PACE 2011; 1-4).
Authors:
Christopher F Liu; James E Ip; Andy C Lin; Bruce B Lerman
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2011-9-28
Journal Detail:
Title:  Pacing and clinical electrophysiology : PACE     Volume:  -     ISSN:  1540-8159     ISO Abbreviation:  -     Publication Date:  2011 Sep 
Date Detail:
Created Date:  2011-9-29     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  7803944     Medline TA:  Pacing Clin Electrophysiol     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
©2011, The Authors. Journal compilation ©2011 Wiley Periodicals, Inc.
Affiliation:
Division of Cardiology, Department of Medicine, Weill Cornell Medical College, New York, New York.
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