Volume 9, Issue 5, Pages (May 2012)

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Volume 9, Issue 5, Pages 742-749 (May 2012) Riata implantable cardioverter-defibrillator lead failure: Analysis of explanted leads with a unique insulation defect  Robert G. Hauser, MD, FHRS, Deepa McGriff, BS, Linda Kallinen Retel, BS, FHRS  Heart Rhythm  Volume 9, Issue 5, Pages 742-749 (May 2012) DOI: 10.1016/j.hrthm.2011.12.019 Copyright © 2012 Heart Rhythm Society Terms and Conditions

Figure 1 Extracted dual-coil Riata lead showing externalized cables (arrows) in 2 locations between the proximal and distal coils. Heart Rhythm 2012 9, 742-749DOI: (10.1016/j.hrthm.2011.12.019) Copyright © 2012 Heart Rhythm Society Terms and Conditions

Figure 2 Cross sections of 8-F silicone Riata single-coil (A) and dual-coil (B) high-voltage implantable cardioverter-defibrillator leads. The cables are coated in ethylene-tetrafluoroethylene, which are shown in blue, and the central coil pace-sense conductor with a stylet lumen is encased in a tube of polytetrafluoroethylene, which is shown in green. Arrows indicate location and direction of inside-out abrasion. Heart Rhythm 2012 9, 742-749DOI: (10.1016/j.hrthm.2011.12.019) Copyright © 2012 Heart Rhythm Society Terms and Conditions

Figure 3 Location of Riata and Riata ST insulation defects. Note that the proximal coil is not present in single-coil models, and defects in segment B will be in the lead body for single-coil models. Heart Rhythm 2012 9, 742-749DOI: (10.1016/j.hrthm.2011.12.019) Copyright © 2012 Heart Rhythm Society Terms and Conditions