Document Detail

Failure to Deliver Therapy by a Riata lead with Internal Wire Externalization and Normal Electrical Parameters During Routine Interrogation.
MedLine Citation:
PMID:  22612668     Owner:  NLM     Status:  Publisher    
Failure to Deliver Therapy by a Riata Lead. We present a case of failure to deliver a shock by a St. Jude Medical defibrillator involving a Riata lead that was discovered incidentally while the device was attempting to deliver inappropriate therapy. Routine interrogation, including high voltage (HV) impedance, failed to reveal any abnormality. Failure to deliver therapy was confirmed during DFT testing, which revealed extremely low HV impedance only while attempting to deliver therapy. Fluoroscopy indicated moderate externalization of internal wires. This case highlights an under-recognized issue with St. Jude Medical systems, namely the possibility that therapy may not be delivered despite the presence of normal electrical parameters during routine surveillance. (J Cardiovasc Electrophysiol, Vol. pp. 1-3).
Parthiv Shah; Gurjit Singh; Shalabh Chandra; Claudio D Schuger
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-5-21
Journal Detail:
Title:  Journal of cardiovascular electrophysiology     Volume:  -     ISSN:  1540-8167     ISO Abbreviation:  -     Publication Date:  2012 May 
Date Detail:
Created Date:  2012-5-22     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9010756     Medline TA:  J Cardiovasc Electrophysiol     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
© 2012 Wiley Periodicals, Inc.
Department of Electrophysiology, Henry Ford Hospital, Detroit, Michigan, USA.
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