Does anyone have any hard data or/and references concerning the following.
A>The stability of glucose in CSF samples collected into fluoride-oxalate tubes or tubes without preservative..Does anyone have a reference with lots of hard data in it?
B>In CSF samples that contain red cells ,in the broadest sense ,what criteria to listeners use to determine when samples are unsuitable for protein assay?Do people hold to sample against their white coat and dont do protein on the pink ones are are there more objective ways of doing it?
C>The proposed guidelines published on the Web by Beetham et al speak of serial samples being collected.Does this happen in practice ?Is this achievable by the average operator?
D>My impression is that we should stop using the word xanthochromia.If subarachnoid haemorrhage is on the differential diagnosis a scan should be done by someone who knows how.Xanthochromia has a specific meaning for clinicians and since external QC suggests we cant reliably assess it perhaps we should use many of the other useful English words.Is this reasonable?
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