The hls set being used to support the cardiohelp-i was being used from (b)(6) 2013 but then sounded an alarm with message "tart sensor defective." the evening shift confirmed with the user manual that the remedy was to "replace external sensor".An internal sensor cable from a demo unit was used instead.This did not correct the alarm so the original cable was replaced.The cardiohelp unit was swapped out on (b)(6) 2013 with a loaner unit.The pt was off support for 14 seconds.The loaner unit showed no error message.No injury or death reported.(b)(4).
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