It was reported that on september 7th, during preparation for a procedure, it was not possible to obtain a pqi for the backpatch of less the 195.Ultrasound gel patch was applied but the problem persisted.It was possible to obtain a good pqi value when pressure was applied to the patch, but the pqi would increase once the pressure was stopped.Another patch kit was opened and placed but it did not resolve the problem.The patch cable was replaced but the issue continued.It was noticed that the patient had a high body mass index and extremely dry skin.The procedure was cancelled.For the next procedure the rhythmia system performed as expected without issue.Patch kit was disposed of and not available for return.
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