Document Detail

Significance of Missing Telemetered Markers in Implanted Cardioverter-Defibrillators.
MedLine Citation:
PMID:  22303882     Owner:  NLM     Status:  Publisher    
Background: We report three patients with St Jude ICDs (St. Jude Medical, Sylmar, CA, USA) where some aspect of the marker channel was missing. Methods and Results: Two cases were caused by the simultaneous occurrence of two distinct cardiac or device events that affected the proper delivery of markers by the telemetry system. Inability of the devices to sequentially process these events resulted in incomplete transmission of telemetry data to the programmers and caused missing markers in the telemetry recordings. In the third case, sensed atrial interference resulted in a short period of atrial asynchronous pacing, which prevented the delivery of a sensed atrial marker coincident with an atrial electrogram. This atrial electrogram by virtue of its timing would have otherwise been sensed outside the atrial refractory period. Conclusion: The perplexing recordings of the three patients should not be interpreted as representing true pacemaker malfunction. (PACE 2012;1-7).
S Serge Barold; Roland X Stroobandt; Frederic VAN Heuverswyn; Bengt Herweg
Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-2-3
Journal Detail:
Title:  Pacing and clinical electrophysiology : PACE     Volume:  -     ISSN:  1540-8159     ISO Abbreviation:  -     Publication Date:  2012 Feb 
Date Detail:
Created Date:  2012-2-6     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  7803944     Medline TA:  Pacing Clin Electrophysiol     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
©2012, The Authors. Journal compilation ©2012 Wiley Periodicals, Inc.
Florida Heart Rhythm Institute, Tampa, Florida The Heart Center, University Hospital of Ghent, Ghent, Belgium.
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