What are the screening tests for primary aldosteronism?

Updated: Mar 24, 2020
  • Author: Gabriel I Uwaifo, MD; Chief Editor: Romesh Khardori, MD, PhD, FACP  more...
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Screening (first-tier) tests for primary aldosteronism include the following:

  • Serum potassium and bicarbonate levels
  • Sodium and magnesium levels
  • Plasma aldosterone/plasma renin activity ratio

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