During an in clinic follow up, the patient noted feeling fatigue, a loss of capture and high pacing impedance was observed on the left ventricular (lv) lead.Subclavian crush was suspected.During the lead revision procedure, it was noted the lv lead was broken and a portion of the lv lead was unable to be removed.An additional procedure was performed and the remainder of the lv lead was explanted and a new lv lead was implanted.The patient was stable.
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The reported events of high pacing lead impedance, lead fracture, failure to capture and suspected subclavian crush were confirmed.As received, a complete lead was returned in two pieces.A clavicular crush damage was found at the middle region of the lead damaging the lead body and fracturing the conductor cables and all the filars of the inner coil.Electrical testing did not find any indication of internal shorts.The cause of the reported events was due to clavicular crush damaged.
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