Document Detail

A case of septal Wolff-Parkinson-White syndrome associated with newly developed delta waves due to disappearance of impedance mismatch.
MedLine Citation:
PMID:  7897339     Owner:  NLM     Status:  MEDLINE    
A 65-year-old woman who had shown no delta waves or atrioventricular block when seen in February 1989, suddenly developed advanced atrioventricular block in April 1990. The first electrophysiologic study revealed that atrioventricular block was caused by His ventricular block, and only weak retrograde conduction was documented. A DDD-type permanent pacemaker was implanted. One month after implantation, delta waves developed. The second electrophysiologic study, performed in February 1993, disclosed that a Kent bundle with bidirectional conduction capacity was located at the posterior septum and that the normal conduction system remained blocked at the His ventricular site. The etiology of the newly developed delta waves seems to be the disappearance of impedance mismatch at the ventricular insertion site of the Kent bundle.
Y Sasaki; K Suyama; M Aruga; S Furuta
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Publication Detail:
Type:  Case Reports; Journal Article    
Journal Detail:
Title:  Journal of electrocardiology     Volume:  28     ISSN:  0022-0736     ISO Abbreviation:  J Electrocardiol     Publication Date:  1995 Jan 
Date Detail:
Created Date:  1995-04-27     Completed Date:  1995-04-27     Revised Date:  2009-11-11    
Medline Journal Info:
Nlm Unique ID:  0153605     Medline TA:  J Electrocardiol     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  63-8     Citation Subset:  IM    
Second Department of Internal Medicine, Shinshu University School of Medicine, Nagano, Japan.
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MeSH Terms
Atrioventricular Node / physiopathology
Bundle of His / physiopathology
Electric Impedance
Heart Block / complications*,  physiopathology,  rehabilitation
Heart Conduction System / physiopathology
Heart Septum
Pacemaker, Artificial
Wolff-Parkinson-White Syndrome / complications*,  physiopathology

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