Times have changed (thank goodness) but I remember a suggestion that blood taken from the same individual and measured immediately could be used to QC blood gas analysis (Whitehead & Morris. Ann Clin Biochem 1969; 6: 94).
Jeff Davies
>>> Joan Pearson <[log in to unmask]> 13/11/2008 14:41:10 >>>
I had very similar comments from a pharmacist who was providing cholesterol testing (among other POCT assays).
Dr MJ Pearson
Department of Clinical Biochemistry & Immunology
Old Medical School
Leeds General Infirmary (Leeds Teaching Hospitals NHS Trust)
LEEDS LS1 3EX
UK
tel (44)-[0]113-392-3945
fax (44)-[0]113 392-3453.
http://www.leedsth.nhs.uk
>>> Janice Still <[log in to unmask]> 13/11/2008 11:28 >>>
I know it's not Friday yet but I must share this one with you.
I have recently audited POCT undertaken in our local GP surgeries. This was illuminating to say the least, and will be written up as a paper.
One comment (amongst many!) that really got me came from a practice where they use a Coaguchek S to measure INR.
Q. Do you take part in any external quality assurance scheme for INR?
A. No
Q. Do you send citrated blood samples to the laboratory to check your INR result if it is unexpected or out-of-range?
A. No but if I am in doubt I test my own blood - I know I am normal and the reference range is so huge anyway.
Well that's all right then.
Jan
Mrs. J. Still,
POCT Manager,
Biochemistry Dept,
Watford General Hospital. 01923-217998.
The views expressed in this message are personal and do not reflect West Herts NHS Hospitals Trust policy.
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