It was reported that since implant the right ventricular (rv) lead has exhibited rising, unstable, and undefined impedance and high threshold.The left ventricular (lv) lead exhibited loss of capture on telemetry and was reprogrammed.It was noted the patient experienced symptomatic pauses.It was noted there was a set screw problem with the cardiac resynchronization therapy defibrillator (crt-d).The leads were reseated and set screw torqued.The device and leads remain in use.No further patient complications have been reported as a result of this event.
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