It was reported during use with an ak 96 machine, a reverse ultrafiltration issue occurred resulting in a weight gain estimated at 1.5kg.The patient¿s weight before dialysis was 72.3 kg, and the ultrafiltration was set to 3.2 kg.After one hour and 24 min of treatment the patient experienced chest tightness and shortness of breath.The treatment was discontinued, and the patient weight was 73.8 kg.No further information was available at the time of this report.
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Additional information added to h3, h6 and h10.H10: the device was not received for evaluation; however, the machine was evaluated on-site by a local non-baxter qualified technician.The parameters of the treatment and ultrafiltration (uf) were not reported.The alleged uf deviation was due to a temporary malfunction of the control uf module.An eddy current, caused by a short circuit from fiva electro valve and uf module short circuited due to a wet fiva valve, where the sealing cap was inexplicably missing.The electro valve was wet due to a leakage from a defective o-ring of the heater.The uf deviation was not duplicated by the technician through a simulated treatment.The of electrical current was not measured through a multimeter (one end of the multimeter connection was grounded and the other end was connected to the ultrafiltration housing).No alarm had been triggered during therapy to suggest an ultrafiltration event had occurred.Therefore, it is unlikely that the uf event actually occurred at all since the uf could not be verified.A service history review revealed no indication that the parts replaced during servicing caused or contributed to the reported event.Should additional relevant information become available, a supplemental report will be submitted.
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