Hyperkalaemia is a serum potassium concentration above 5.5 mmol/L and is one of the few electrolyte emergencies because it can precipitate fatal cardiac arrhythmia. Full topic, figures, and citations: https://medvellum.com/topics/hyperkalaemia References Weisberg LS. 2008 · Crit Care Med Geldermann 2026 · Emerg Med J Long 2018 · J Emerg Med Moussavi 2019 · J Emerg Med Harel 2016 · PLoS One Allon 1989 · Ann Intern Med Batterink 2015 · Cochrane Database Syst Rev Allon 1996 · Am J Kidney Dis Hollander-Rodriguez 2006 · Am Fam Physician Lehnhardt 2011 · Pediatr Nephrol Palmer 2021 · Mayo Clin Pro…
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