In message <A1581AC3AAEAD311A48900508B6374D20132CEA5@Mars>,
Mainwaring-Burton Richard (RGZ) <[log in to unmask]>
writes
>try doing that at 03:00 am
>
Simple - programme it as a set into your computer then it can be
requested and (on our system) the tests are automatically filled in and
the gap calculated if it is requested before the sample is analysed.
Same applies to anion gap. Why do calculations when you are going to use
a computer to report it anyway. Sorry, I don't know the formula but
there was an article in I think Clin Chem which compared formulae and
came up with a best bet.
However, we have an alcohol method on our main analyser, and only use
the osmolal gap in unexplained acidosis or when eyeballing osmolalities
and they don't look right. Plenty of methods out there and anyone with
an A/E unit will get plenty of requests.
Trevor
--
Trevor Gray
Dept. of Clinical Chemistry,
Northern General Hospital,
Sheffield S5 7AU
0114 271 4309
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