Document Detail


Chronic juvenile AV nodal dysfunction associated with mitral valve prolapse.
MedLine Citation:
PMID:  729597     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
The prevalence of atrioventricular (AV) conduction disturbances amongst patients with mitral valve prolapse is higher than may be expected by chance, thus implying the existence of a true association. The main clinical and electrophysiologic findings in 4 patients with mitral valve prolapse showing chronic AV conduction disturbances are presented. Supra-His localization, mild and variable degree of impairment, regression upon Atropine administration, apparent absence of progression, are common features of these disturbances. The most likely mechanisms considered are an AV node developmental abnormality or an AV nodal artery running in contact with the border of the mitral annulus and thus impaired by the abnormal dynamics of the mitral valve.
Authors:
P Rizzon; G Antonelli; G Biasco; G Brindicci; M Di Biase
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Publication Detail:
Type:  Case Reports; Journal Article    
Journal Detail:
Title:  European journal of cardiology     Volume:  8     ISSN:  0301-4711     ISO Abbreviation:  Eur J Cardiol     Publication Date:  1978 Dec 
Date Detail:
Created Date:  1979-03-24     Completed Date:  1979-03-24     Revised Date:  2004-11-17    
Medline Journal Info:
Nlm Unique ID:  0404054     Medline TA:  Eur J Cardiol     Country:  NETHERLANDS    
Other Details:
Languages:  eng     Pagination:  589-98     Citation Subset:  IM    
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MeSH Terms
Descriptor/Qualifier:
Adolescent
Adult
Cardiac Pacing, Artificial
Child
Echocardiography
Electrophysiology / instrumentation,  methods
Female
Heart Block / complications*,  diagnosis,  etiology
Humans
Male
Mitral Valve Prolapse / complications*,  diagnosis,  physiopathology

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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