“…21 Also, with multiple ventricular leads crossing the tricuspid valve, a higher risk of tricuspid valve dysfunction can ensue. 25 A higher burden of leads in the vasculature, as well as in the ICD pocket, also increases the chances of leads rubbing against each other or against the device, resulting in insulation defects, noise, and further lead failure. 26 Extract or Retain a Sterile, Nonfunctional Lead she would have 4 leads through her SVC.…”