Document Detail

Accessory atrioventricular pathway, supra-, and infrahisian conduction impaired due to mitral annulus calcification.
MedLine Citation:
PMID:  3690909     Owner:  NLM     Status:  MEDLINE    
Disorders of conduction occurring simultaneously in both normal and accessory pathways of patients with Wolff-Parkinson-White (WPW) syndrome have only rarely been observed. To our knowledge this is the first report of impaired conduction in both pathways in WPW syndrome due to mitral annulus calcification (MAC). This case of WPW syndrome type A presented the following conduction abnormalities: (1) right bundle-branch block; (2) transient second-degree AV block with prolonged PR interval of the conducted beats; (3) during electrophysiological study, induction of tachycardia, dependent (phase 3) second-degree AV block, and occasionally conduction of two consecutive beats, the second showing an increased H-V interval (from 25 to 60 ms) and left bundle-branch block (LBBB) pattern, due to (4) infrahisian conduction abnormality.
M Kriwisky; J Goldstein; M S Gotsman
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Publication Detail:
Type:  Case Reports; Journal Article    
Journal Detail:
Title:  Clinical cardiology     Volume:  10     ISSN:  0160-9289     ISO Abbreviation:  Clin Cardiol     Publication Date:  1987 Dec 
Date Detail:
Created Date:  1988-01-26     Completed Date:  1988-01-26     Revised Date:  2004-11-17    
Medline Journal Info:
Nlm Unique ID:  7903272     Medline TA:  Clin Cardiol     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  818-20     Citation Subset:  IM    
Department of Cardiology, Hadassah University Hospital, Jerusalem, Israel.
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MeSH Terms
Calcinosis / complications*,  physiopathology
Heart Block / etiology,  physiopathology
Heart Conduction System / physiopathology*
Heart Valve Diseases / etiology,  physiopathology
Mitral Valve / physiopathology*
Wolff-Parkinson-White Syndrome / etiology*,  physiopathology

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