Boston scientific received information that loss of capture at maximum device outputs and low intrinsic amplitudes were noted on the right ventricular (rv) lead due to dislodgement.Additionally, an echocardiogram showed pericardial fluid.A revision procedure was performed during which time a pericardiocentesis occurred along with attempts to reposition this lead.The helix would no longer extend and retract and the lead was removed from service and replaced.Visual inspection of the helix identified tissue.No additional adverse patient effects were reported.
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