Potassium homoeostasis and pathophysiology of hyperkalaemia

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Determination of potassium level is one of the most frequent laboratory tests in clinical medicine. Hyperkalaemia is defined as a potassium level >5.0 mmol/L and is one of the most clinically important electrolyte abnormalities, because it may cause dangerous cardiac arrhythmia and sudden cardiac death. Here, we review methodological challenges in the determination of potassium levels, important clinical aspects of the potassium homoeostasis as well as of the pathophysiology of hyperkalaemia.
Original languageEnglish
JournalEuropean Heart Journal Supplements
Issue numberSuppl. A
Pages (from-to)A2-A5
Number of pages4
Publication statusPublished - 2019

    Research areas

  • Potassium, Plasma potassium, Serum potassium, Potassium homoeostasis, Hyperkalaemia, Na, K-Pumps, K-ATPase, Sodium, Potassium-Adenosinetriphosphatase, Arrhythmia, Sudden cardiac death

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