Model Number N160 |
Device Problems
Device Alarm System (1012); High impedance (1291)
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Patient Problem
No Clinical Signs, Symptoms or Conditions (4582)
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Event Date 05/07/2022 |
Event Type
malfunction
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Event Description
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It was reported that the patient with this implantable cardioverter-defibrillator cardiac resynchronization therapy defibrillator (crt-d) displayed alert due to high out-of-range shock impedance measurements on the right ventricular (rv) lead.Which led to this crt-d exhibiting beep tones.The health care professional (hcp) reached out to technical services (ts) for review and consultation of the date of this patient.Upon review, ts discussed possible causes and provided troubleshooting options.The hcp indicated that this patient is going to continue to monitor remotely.At this time, the product remains in service and no adverse patient effects were reported.
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Manufacturer Narrative
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This product has not been returned to boston scientific, and as a result, laboratory analysis could not be conducted.The associated investigation determined that there was no conclusive evidence that the observed out-of-range impedance measurements were due to a malfunction or an inadequate lead-to-device connection.However, intermittent, out-of-range shock lead impedance measurements with no conclusive evidence of a malfunction or an inadequate lead-to-device connection are likely the result of the low-energy test signal utilized for daily automatic or in-clinic commanded shock lead impedance testing.A software update was released in 2015 to further improve consistency of the impedance test results and provide the clinician with additional diagnostic tools, including programmable shock lead impedance alert limits.
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Event Description
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It was reported that the patient with this implantable cardioverter-defibrillator cardiac resynchronization therapy defibrillator (crt-d) displayed alert due to high out-of-range shock impedance measurements on the right ventricular (rv) lead.Which led to this crt-d exhibiting beep tones.The health care professional (hcp) reached out to technical services (ts) for review and consultation of the date of this patient.Upon review, ts discussed possible causes and provided troubleshooting options.The hcp indicated that this patient is going to continue to monitor remotely.At this time, the product remains in service and no adverse patient effects were reported.
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Search Alerts/Recalls
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