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- Gregory M Francisco, Saumya Sharma, Anne H Dougherty, and Bharat K Kantharia.
- Division of Cardiology, University of Texas, Medical School at Houston, Houston, Texas 77030, USA.
- Cardiol J. 2009 Jan 1;16(5):473-6.
AbstractInappropriate 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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