Investigation: review of the log files on the device and standard functional testing of the device.In-depth review of the log files, which included analysis of the treatment data aimed at determining why the disconnection alarm, among others, was not triggered.Conclusions: the vivo 50 was operating normally and as intended during the disconnection event.Even though the vivo 50 detected changes in measurements indicative of a disconnection event, no alarms sounded because none of these changes in measurement were substantial enough to pass the alarm thresholds as they were set.
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