What tests are required in the emergency department (ED) when hyperkalemia (high serum potassium level) is suspected?

Updated: Apr 09, 2020
  • Author: Eleanor Lederer, MD, FASN; Chief Editor: Vecihi Batuman, MD, FASN  more...
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In the emergency department (ED), perform continuous ECG monitoring with frequent vital sign checks when hyperkalemia is suspected or when laboratory values indicative of hyperkalemia are received. Measurement of potassium levels at least 1, 2, 4, 6, and 24 hours after identification and treatment of hyperkalemia is recommended. [64]

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