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Are arterial and venous samples clinically equivalent for the estimation of pH, serum bicarbonate and potassium concentration in critically ill patients?

Abstract:

AIMS: To assess the comparability of venous and arterial samples for pH, bicarbonate and potassium measurements in critically ill patients. METHODS: Simultaneous arterial and venous samples from 206 critically ill patients were analysed in duplicate. Coefficients of variation and 95% limits of agreement were calculated for arterial and venous samples. Bland-Altman plots were constructed to assess agreement between sampling sites. RESULTS: The median (range) of arterial pH, bicarbonate concen...

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Publication status:
Published

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Journal:
Diabetic medicine : a journal of the British Diabetic Association
Volume:
29
Issue:
1
Pages:
32-35
Publication date:
2012-01-05
DOI:
EISSN:
1464-5491
ISSN:
0742-3071
URN:
uuid:45a49d55-3363-4b7a-b065-f10870b43e6b
Source identifiers:
485115
Local pid:
pubs:485115

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