BOSTON SCIENTIFIC CORPORATION VALITUDE CRT-P; PULSE GENERATOR, PACEMAKER, IMPLANTABLE, WITH CARDIAC RESYNCHRONIZATION (CRT-P)
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Model Number U125 |
Device Problems
Signal Artifact/Noise (1036); High impedance (1291); Over-Sensing (1438); Pacing Problem (1439)
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Patient Problem
Dizziness (2194)
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Event Date 08/11/2020 |
Event Type
malfunction
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Event Description
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It was reported that this cardiac resynchronization therapy pacemaker (crt-p) and non boston scientific right ventricular (rv) lead exhibited impedance measurements of greater than 2000 ohms, noise, oversensing, and pacing inhibition of greater than two seconds.The patient experienced lightheadedness.The health care professional (hcp) reprogrammed the device and the device remains in service.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 this device exhibited intermittent impedance measurements with no conclusive evidence of a malfunction or inadequate lead-to-device connection; please refer to the description for more information regarding the specific circumstances of this event.Investigation has determined that this type of event is likely the result of an intermittent high impedance condition associated with the device's spring contact and lead terminal ring.A design enhancement was implemented in 2020 to stabilize the electrical connection between the spring contact and the lead terminal.
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Event Description
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It was reported that this cardiac resynchronization therapy pacemaker (crt-p) and non boston scientific right ventricular (rv) lead exhibited impedance measurements of greater than 2000 ohms, noise, oversensing, and pacing inhibition of greater than two seconds.The patient experienced lightheadedness.The health care professional (hcp) reprogrammed the device and the device remains in service.No adverse patient effects were reported.
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