Document Detail

Voltage dip in pacemaker battery supply: a new cause of pacemaker mediated tachycardia.
MedLine Citation:
PMID:  7683809     Owner:  NLM     Status:  MEDLINE    
A new cause of pacemaker mediated tachycardia was observed in a patient equipped with a Vitatron Quintech 931 DDD pacemaker. In this type of pacemaker the microprocessor is switched off during the atrial refractory period. Beyond the recommended replacement time, the internal resistance of the battery may increase to such an extent that switching on and off the microprocessor may cause voltage dips. Those voltage dips are erroneously interpreted as P waves by the atrial sensing amplifier, which may cause self-triggering of the pacemaker and initiate a pacemaker mediated tachycardia.
R Stroobandt; F Vandenbulcke; H Falleyn; A Sinnaeve
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Publication Detail:
Type:  Case Reports; Journal Article    
Journal Detail:
Title:  Pacing and clinical electrophysiology : PACE     Volume:  16     ISSN:  0147-8389     ISO Abbreviation:  Pacing Clin Electrophysiol     Publication Date:  1993 Apr 
Date Detail:
Created Date:  1993-06-09     Completed Date:  1993-06-09     Revised Date:  2005-11-17    
Medline Journal Info:
Nlm Unique ID:  7803944     Medline TA:  Pacing Clin Electrophysiol     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  806-11     Citation Subset:  IM    
Department of Cardiology, St.-Jozef Hospital, Ostend, Belgium.
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MeSH Terms
Electric Power Supplies
Equipment Failure
Pacemaker, Artificial / adverse effects*
Tachycardia / diagnosis,  etiology*

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

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