It was reported that while the ventilator was connected to a patient, the patient began throwing up, was bradycardic and the breathing pattern became irregular.In an attempt to troubleshoot any mechanical problems, the ng tube for nava (neurally adjusted ventilatory assist) was removed from the patient.It was observed that the end of the ng tube for nava was black and the aspirate obtained before its removal had black flecks in it.The ng tube for nava had been in the patient for 4 days.Enteral feeds through the ng tube for nava were at 8ml of breast milk with no additives and no oral medicines passing through.There was no reported patient harm.(b)(4).
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