DR P. MARAZZI / SCIENCE PHOTO LIBRARY DR P. MARAZZI / SCIENCE PHOTO LIBRARY
ICD pacemaker implant scar. Close-up of a surgical scar on the chest of a 72-year-old male patient following implantation of an implantable cardioverter-defibrillator (ICD). ICDs are implants that are similar to pacemakers but are able to perform cardioversion and defibrillation as well as pacing of the heart.
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