It was reported that the patient had a pacemaker check on (b)(6) 2019 after the initial implant procedure.During the device interrogation, it was discovered that the right ventricular lead exhibited intermittent undersensing and intermittent capture.It was noted that the patient had been twiddling with the pacemaker in the implant pocket.A chest x-ray was performed which showed that the pacemaker had migrated down and the slack of both the atrial and right ventricular leads had decreased considerably.The device and leads were revised successfully.The patient was asymptomatic before, during, and after the revision procedure.Related manufacturer reference number: 2017865-2019-13432, 2017865-2019-13684.
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