After the patient's ihd was initiated, the machine began alarming due to low transmembrane pressure (tmp), and tmp was in fact outside of appropriate parameters.Upon inspection, it was found that the pressure transducer had a defect, it wasn't patent, had an occlusion that looked as if it was heat-sealed.It could not be fixed, and the entire blood line set had to be discarded.Patient's blood was safely returned.The defect was found in the thin tubing that connects the venous pressure pod to the pressure transducer in the hemodialysis machine.Unfortunately, the line was discarded before the lot number could be captured.Manufacturer response for set, tubing, blood, with and without anti-regurgitation valve, streamline airless system set with locksite needleless access sites and securecl (per site reporter).Pending manufacturer's response.
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