It is interesting that laboratory error is at the top of the list of
causes
of spurious hyperkalaemia.
Box 1 Causes of spurious hyperkalaemia
Laboratory error
Delayed analysis
Blood collected from vein into which potassium is infused
Excessive tourniquet or repeated fist clenching
Haemolysis via small needle or traumatic venepuncture
Prolonged storage of blood
Severe leucocytosis or thrombocytosis
Uncommon genetic disorders (familial pseudohyperkalaemia)
Discuss?
Have a good weekend.
Ian
-----Original Message-----
From: Clinical biochemistry discussion list
[mailto:[log in to unmask]] On Behalf Of Nick Miller
Sent: 30 October 2009 12:39
To: [log in to unmask]
Subject: Re: The most abundant cation in the human body?
I think someone forgot about hydrogen
Nick Miller,
London
2009/10/29 Jonathan Kay <[log in to unmask]>:
> Today's BMJ
>
> Hyperkalaemia -- Nyirenda et al. 339: b4114 -- BMJ
>
> http://www.bmj.com/cgi/content/full/339/oct23_1/b4114
>
> "Potassium is the most abundant cation in the human body"
>
> Discuss?
>
> Jonathan
>
>
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