Document Detail

Pacemaker induced mitral regurgitation: an alternative form of pacemaker syndrome.
MedLine Citation:
PMID:  9080503     Owner:  NLM     Status:  MEDLINE    
A patient in atrial fibrillation was referred for mitral valve replacement due to severe mitral regurgitation. A cardiac pacemaker had previously been implanted. Cardiac catheterization demonstrated large V waves in the wedge pressure tracing during ventricular pacing, which were not present during native conduction. A left ventriculogram demonstrated severe mitral regurgitation during ventricular pacing, but not during native conduction. This patient, in atrial fibrillation, had severe mitral regurgitation induced by ventricular pacing and not by native conduction. Pacemaker syndrome may be caused by mitral regurgitation that is probably not secondary to AV dissociation, but rather the result of dyssynchronous ventricular contraction.
C R Cannan; S T Higano; D R Holmes
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Publication Detail:
Type:  Case Reports; Journal Article    
Journal Detail:
Title:  Pacing and clinical electrophysiology : PACE     Volume:  20     ISSN:  0147-8389     ISO Abbreviation:  Pacing Clin Electrophysiol     Publication Date:  1997 Mar 
Date Detail:
Created Date:  1997-06-02     Completed Date:  1997-06-02     Revised Date:  2005-09-13    
Medline Journal Info:
Nlm Unique ID:  7803944     Medline TA:  Pacing Clin Electrophysiol     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  735-8     Citation Subset:  IM    
Division of Cardiovascular Diseases and Internal Medicine, Mayo Clinic and Foundation, Rochester, MN 55905, USA.
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MeSH Terms
Atrial Fibrillation / physiopathology,  therapy
Mitral Valve Insufficiency / etiology*
Pacemaker, Artificial / adverse effects*
Ventricular Function, Left
Comment In:
Pacing Clin Electrophysiol. 2005 May;28(5):357-60   [PMID:  15869664 ]

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

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