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Departments & Programs,UW Health,Ambulatory Education,CPR,Automated External Defibrillator (AED) Training (All Ages)

Pacemaker or Implanted Defibrillator

Pacemaker or Implanted Defibrillator - Departments & Programs, UW Health, Ambulatory Education, CPR, Automated External Defibrillator (AED) Training (All Ages)


These devices are generally implanted in the upper part of the chest of abdomen. Most often you will find them on the left upper chest. The devices create a hard lump beneath the skin. The lump is about half the size of a deck of cards. The victim will usually have a small scar. Placing an electrode pad over an implanted medical device will reduce the effectiveness of the shocks. It is best not to place the AED over the implanted device. But to place the electrode pad at least one inch to the side of the device.