Risks associated with the Medtronic Reveal LINQ ICM: Risks associated with insertion of the ICM include pain and discomfort, bleeding, bruising, hematoma, infection, and an allergic reaction to the skin prep or lidocaine used for local anesthesia. There is a very small risk of long-term discomfort associated with having the device. According to the manufacturer, the ICM is fully MRI-compatible immediately after implantation.