It was reported that an unknown patient underwent atrial fibrillation (afib) with carto 3 system.The patient experienced unwanted pacing.During the procedure, an emergency pacing took place.When vvi pacing was conducted, vpacing is in place when vvi is not in time.The procedure was successfully completed without patient's consequence.The unwanted pacing is mdr-reportable.
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On 29-dec-2021, the product investigation was completed.It was reported that an unknown patient underwent atrial fibrillation (afib) with carto 3 system.The patient experienced unwanted pacing.During the procedure, an emergency pacing took place.When vvi pacing was conducted, vpacing is in place when vvi is not in time.Device evaluation details: although initially it was reported that the issue occurred when an emergency pacing was performed, it was confirmed during investigation that the pacing was performed from ref/deca port using decanav catheter, and not from emergency port, and that the pacing was not an emergency pacing, but kind of planned pacing.It was confirmed that about 20 seconds after pacing was finished, there was one beat different than the others.No indication for carto performing any pacing during that time.No artifact resembling stimulus is observed on any of the bs ecg leads.There was no unwanted pacing delivered during the procedure and the system behavior was correct.System is operational.A manufacturing record evaluation was performed for the carto 3 system # 50067, and no internal actions related to the reported complaint condition were identified.If additional information is received regarding this event, a supplemental 3500a report will be submitted to the fda.Manufacturer's reference number: (b)(4).
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