Ann Clin Biochem 2020 11 26;57(6):444-455. Epub 2020 Oct 26.
Blood Sciences, Epsom and St Helier University Hospitals NHS Trust, London, UK.
Background: Differentiating between true and pseudohyperkalaemia is essential for patient management. The common causes of pseudohyperkalaemia include haemolysis, blood cell dyscrasias and EDTA contamination. One approach to differentiate between them is by checking the renal function, as it is believed that true hyperkalaemia is rare with normal function. Read More