Boston scientific received information that this cardiac resynchronization therapy defibrillator (crt-d) was emitting tones in (b)(6) 2017 and again in (b)(6) 2018.Interrogation identified a single high right ventricular (rv) lead impedance measurement in (b)(6) 2018.Troubleshooting was performed and there was no evidence of oversensed noise.The physician plans to monitor the patient.The device's memory was analyzed and there was nothing observed that would have caused the device to emit tones in (b)(6) 2017.
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