Hyperkalemia can be categorized according to serum potassium level: mild (5.5-6.5 mmol/l), moderate (6.5-7.5 mmol/L), or severe (> 7.5 mmol/L). However, the relationship between serum potassium level and hyperkalemia symptoms is inconsistent. For example, patients with a chronically elevated potassium level may be asymptomatic at far higher levels than other patients. How quickly the potassium level changes influences the symptoms observed at various potassium levels.
Learn more about potassium levels in hyperkalemia.
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Cite this: A. Brent Alper. Fast Five Quiz: Workup for Hyperkalemia - Medscape - Dec 09, 2021.
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