During follow-up, high impedance and loss of capture was observed on the right atrial (ra) lead.The lead was explanted and replaced in order to resolve the event.During the procedure, it was noted that the distal portion of the lead was kinked.The patient's condition was stable and there were no adverse consequences.
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The reported events of lead dislodgement, loss of capture, high lead impedance, and the distal portion of the lead being kinked were not confirmed.As received, a complete lead was returned in one piece.Electrical testing and x-ray examination did not find any indication of conductor fractures or internal shorts.Visual inspection of the lead revealed no kink.The full helix extension length measured within product specification.
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