Instrument dependent erroneous sodium measurements in hypoproteinemic critically ill patients are causing significant misclassification of dysnatremias

Clin Chem Lab Med. 2019 Aug 27;57(9):e222-e225. doi: 10.1515/cclm-2018-0963.

¹ Laboratory of Clinical Chemistry and Hematology, Jeroen Bosch Hospital, Henri Dunantstraat 1, 5223 GZ, 's-Hertogenbosch, The Netherlands.
² Intensive Care Unit, Jeroen Bosch Hospital, 's-Hertogenbosch, The Netherlands.
³ Laboratory of Clinical Chemistry and Hematology, Jeroen Bosch Hospital, 's-Hertogenbosch, The Netherlands.
⁴ Laboratory of Clinical Chemistry, Meander Medical Center, Amersfoort, The Netherlands.
⁵ Diagnostiek voor U Laboratory, Eindhoven, The Netherlands.
⁶ Laboratory of Clinical Chemistry, Elkerliek Hospital, Helmond, The Netherlands.
⁷ Laboratory of Clinical Chemistry and Hematology, Viecuri Medical Centre for Northern-Limburg, Venlo, The Netherlands.
⁸ Laboratory of Clinical Chemistry, Catharina Hospital, Eindhoven, The Netherlands.

No abstract available

Keywords: critically ill patients; dysnatremia; ion selective electrode; pseudohypernatremia.

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