| Inappropriate ICD therapy due to lead-related noise in an active fixation ICD lead. | |
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MedLine Citation:
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PMID: 11385158 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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INTRODUCTION: Despite advances in technology, problems with effective ventricular endocardial sensing continue to arise and to result in inappropriate implantable cardioverter defibrillator (ICD) therapies. METHODS AND RESULTS: The patient is a 79-year-old man with ischemic cardiomyopathy and ventricular tachycardia (VT) who received inappropriate ICD therapies due to lead-related noise detection. Noise was created by the distal helix, which was not fully deployed, intermittently contacting the internal guidepost of the lead (CPI, Guidant, model 0155). After the complete deployment of the helix the problem resolved and the pacing parameters remained stable. CONCLUSION: To our knowledge, this is the first confirmed case report of non-physiologic sensing secondary to the incompletely deployed helix of an active fixation defibrillation lead. A design flaw with this lead led to its redesign to avoid noise over-sensing. |
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Authors:
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T Mela; T Ngarmukos; L Rosenthal; R Mittleman |
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Publication Detail:
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Type: Case Reports; Journal Article |
Journal Detail:
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Title: The Journal of invasive cardiology Volume: 13 ISSN: 1042-3931 ISO Abbreviation: J Invasive Cardiol Publication Date: 2001 May |
Date Detail:
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Created Date: 2001-05-31 Completed Date: 2001-08-02 Revised Date: 2007-11-15 |
Medline Journal Info:
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Nlm Unique ID: 8917477 Medline TA: J Invasive Cardiol Country: United States |
Other Details:
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Languages: eng Pagination: 406-8 Citation Subset: IM |
Affiliation:
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Cardiac Arrhythmia Service, Massachusetts General Hospital, 75 Fruit Street, Boston, MA 02114, USA. tmela@partners.org |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Aged Arrhythmias, Cardiac / complications, therapy Defibrillators, Implantable / adverse effects* Electrocardiography Humans Male Tachycardia, Ventricular / etiology |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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