"critical" transcutaneous billrubin level on this device (greater than 340 umol/l or greater than 20 mg/dl) registers as flashing "- 0 -" with units displayed below (either mg/dl or umol/l).On more than one occasion nurses have taken this to literally mean "0" and have not acted appropriately (which is to either draw a serum bilirubin or at least notify the physician).This has occurred in spite of fairly intensive nursing training in device use.To avoid misinterpretation it is suggested that software be modified so that critical values are displayed as "hi", "- ! -" or similar.
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