I will reply to Mike's challenge (see it worked!) about whole blood versus
plasma electrolytes.
Two hospitals I have worked at have used different solutions: 1. Report
blood gas electrolyte results with a different reference range to the
plasma results and a footnote indicateing why the results are different
(sorry I do not have an example of the footnote). 2. Have the machine
adjusted so that the blood results look like plasma results, report them
with the blood gas results but use the same reference interval as plamsa
results.
Probably I prefer the latter solution because it simplifies the report.
Additionally all hypertriglyceridaemic or hyperproteinaemic samples get the
sodium measured on the blood gas machine and that result reported. with
afootnote saying what we have done.
Best wishes,
Graham
Graham Jones
Staff Specialist in Chemical Pathology
St Vincent's Hospital, Sydney
Victoria St, Darlinghurst, 2010
NSW, Australia
Ph: (02) 9361-2170 Fax (02) 9361-2489
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