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open access

Vol 16, No 5 (2009)
Case Reports
Submitted: 2013-01-14
Published online: 2009-07-31
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Multiple shocks after upgrade of an implantable cardioverter-defibrillator to a cardiac resynchronization therapy-defibrillator device

Gregory M. Francisco, Saumya Sharma, Anne H. Dougherty, Bharat K. Kantharia
DOI: 10.5603/cj.21467
·
Cardiol J 2009;16(5):473-476.

open access

Vol 16, No 5 (2009)
Case Reports
Submitted: 2013-01-14
Published online: 2009-07-31

Abstract

Inappropriate shocks from implantable cardioverter-defibrillators (ICDs) may occur for many reasons. Inappropriate shocks are not simply painful inconveniences for patients; they also may result in the need for further operative procedures, and sometimes even death. Herein, we report the case of a patient who after upgrade of an ICD to a cardiac resynchronization therapy-defibrillator device (CRT-D), returned with multiple shocks due to altered sensing and defibrillation polarities that resulted from actual physical reversal of the distal (–) and proximal (+) lead terminals in the header of the device.

Abstract

Inappropriate shocks from implantable cardioverter-defibrillators (ICDs) may occur for many reasons. Inappropriate shocks are not simply painful inconveniences for patients; they also may result in the need for further operative procedures, and sometimes even death. Herein, we report the case of a patient who after upgrade of an ICD to a cardiac resynchronization therapy-defibrillator device (CRT-D), returned with multiple shocks due to altered sensing and defibrillation polarities that resulted from actual physical reversal of the distal (–) and proximal (+) lead terminals in the header of the device.

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Keywords

implantable cardioverter-defibrillator; cardiac resynchronization therapy; heart failure; shocks

About this article
Title

Multiple shocks after upgrade of an implantable cardioverter-defibrillator to a cardiac resynchronization therapy-defibrillator device

Journal

Cardiology Journal

Issue

Vol 16, No 5 (2009)

Pages

473-476

Published online

2009-07-31

Page views

526

Article views/downloads

913

DOI

10.5603/cj.21467

Bibliographic record

Cardiol J 2009;16(5):473-476.

Keywords

implantable cardioverter-defibrillator
cardiac resynchronization therapy
heart failure
shocks

Authors

Gregory M. Francisco
Saumya Sharma
Anne H. Dougherty
Bharat K. Kantharia

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