Device evaluated by mfr: log files of the device were reviewed by outset medical personnel.
A device issue related to a blood leak sensor component failure was identified; however, was not the reason for the adverse event.
The nurse had attempted a manual blood return; however, it was unsuccessful due to user error.
The event of blood loss is attributed to this user error.
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It was reported that an end treatment alarm was observed.
The patient experienced a blood loss of approximately 440 ml (300 ml in dialyzer and 140 ml in cartridge).
Upon further review, it was determined that the nurse had not completed the manual blood return correctly.
Therefore, this event is not device related, rather attributed to user error.
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