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The device was returned due to diagnostic anomaly.A diagnostics anomaly was confirmed.However, the root cause for the inconsistent remaining longevity estimate near eri, indicated by the programmer, was not identified.The device was at elective replacement indicator (eri) when received.A longevity calculation was performed and found the battery depletion was normal based on the device usage and programmed settings.Telemetry, pacing, sensing, impedance, hv output, hv shock, hv therapy delivery, and patient notifier were tested on the bench and no anomaly was detected.
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