Published: 5 October 2021
Author(s): Toby J.L. Humphrey, Glen James, Ian B Wilkinson, Thomas F. Hiemstra
Issue: January 2022
Section: Original article

Hyperkalaemia is a common, life-threatening electrolyte abnormality present in up to 10% of acute hospital admissions [1]. In patients receiving treatment with renin-angiotensin-aldosterone system (RAAS) blocking medication for heart failure, hypertension or diabetic nephropathy, the prevalence of hyperkalaemia exceeds 10% and in those with chronic kidney disease (CKD) (stage 4 or 5), this exceeds 20% [2]. Hyperkalaemia can result in fatal cardiac arrhythmias if not treated promptly. It typically requires in-hospital treatment and constitutes a medical emergency.


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