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Publication Detail
Clinical evaluation of an automatic potassium electrode. Use of the Nova 1 ion-selective electrode in a cardiac surgical intensive care unit.
  • Publication Type:
    Journal article
  • Publication Sub Type:
    Comparative Study
  • Authors:
    Treasure T, Aveling W
  • Publication date:
  • Pagination:
    699, 701
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  • Volume:
  • Issue:
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  • Keywords:
    Cardiac Surgical Procedures, Critical Care, Electrodes, Evaluation Studies as Topic, Humans, Microcomputers, Photometry, Potassium
A Nova 1 potassium analyser has been evaluated for the first 3 months of its use in a cardiac surgical intensive care unit. The machine was out of action for 11 out of 104 days. 515 external calibrations were performed with 4.50 mmol/l potassium standards: mean 4.49 mmol/l, standard deviation 0.07. 692 comparisons were made with routine laboratory flame photometer measurements on the same sample: correlation coefficient r = 0.815. It is concluded that Nova 1, if kept in working order, can provide potassium estimations quickly and accurately.
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