Clinical safety and performance of a MRI conditional pacing system in patients undergoing cardiac MRI.

Background: Utilization of cardiac magnetic resonance imaging (cMRI) as an imaging modality in clinical practice is rapidly increasing. More evidence from randomized studies establishing clinical safety and performance of pacing systems in patients undergoing a cMRI scan is needed.

Objectives: The purpose of this prospective, multicenter, randomized study was to demonstrate safety and efficacy of the Accent MRI™ conditional pacing systems (St.

Dislodgement of atrial lead of the CRT-D system and its migration into the pocket presenting as its absence on chest x-ray.

Lead dislodgement and migration is a known complication after implantation of cardiac rhythm devices. We present a case of dislodgement of atrial lead of the CRT-D system and its migration into the device pocket. The device itself had rotated by 90 degrees but the right and left ventricular leads were not at all affected.