Testing Na+ in blood.

Lava, Sebastiano; Bianchetti, Mario Giovanni; Milani, Gregorio P (2017). Testing Na+ in blood. Clinical kidney journal, 10(2), pp. 147-148. Oxford University Press 10.1093/ckj/sfw103

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Both direct potentiometry and indirect potentiometry are currently used for Natesting in blood. These measurement techniques show good agreement as long as protein and lipid concentrations in blood remain normal. In severely ill patients, indirect potentiometry commonly leads to relevant errors in Naestimation: 25% of specimens show a disagreement between direct and indirect potentiometry, which is ≥4 mmol/L (mostly spuriously elevated Nalevel due to low circulating albumin concentration). There is a need for increased awareness of the poor performance of indirect potentiometry in some clinical settings.

Item Type:

Journal Article (Further Contribution)

Division/Institute:

04 Faculty of Medicine > Department of Gynaecology, Paediatrics and Endocrinology (DFKE) > Clinic of Paediatric Medicine

UniBE Contributor:

Lava, Sebastiano and Bianchetti, Mario Giovanni

Subjects:

600 Technology > 610 Medicine & health

ISSN:

2048-8505

Publisher:

Oxford University Press

Language:

English

Submitter:

Dr. Sebastiano A.G. Lava

Date Deposited:

27 Mar 2018 16:08

Last Modified:

05 Nov 2019 15:11

Publisher DOI:

10.1093/ckj/sfw103

PubMed ID:

28396732

BORIS DOI:

10.7892/boris.111745

URI:

https://boris.unibe.ch/id/eprint/111745

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