I don't know if the pain that your father is experiencing is coming from the device or is due to a different problem. Redness or discharge from the site could indicate an infection and would be an indication to change the device. The type of cardiologist that specializes in these devices are electrophysiologists. If your father would like to be evaluated here he should call the number below and make an appointment to see one of the electrophysiologists such as Dr. Wilkoff or Dr. Kidwell. Hope this helps.
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