Risks associated with ICD implantation are uncommon but may include:

  • Infection at the implant site
  • Allergic reaction to the medications used during the procedure
  • Swelling, bleeding or bruising where your ICD was implanted
  • Damage to the vein where your ICD leads are placed
  • Bleeding around your heart, which can be life-threatening
  • Blood leaking through the heart valve where the ICD lead is placed
  • Collapsed lung (pneumothorax)