This css console was not supporting a pt.The css console had previously supported a pt at the hospital who was subsequently transplanted.The customer reported that the css console was unable to pass the console test validation protocol.He also reported that during calibration of the primary controller, the flow waveform looked unusual and the flow calibration numbers were inaccurate.The customer also reported that he observed what appeared to be blood in the drivelines, and he replaced them.This alleged failure mode posses a low risk to a pt because the issue was observed during a routine console checkout when the css console was not supporting a pt.In addition, it was not prevent the css console from performing its life-sustaining functions.An investigation will be conducted by syncardia.The results of the investigation will be provided in a supplemental mdr.
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