What is the role of the transtubular potassium gradient (TTKG) measurement in the workup of metabolic acidosis?

Updated: Dec 08, 2020
  • Author: Christie P Thomas, MBBS, FRCP, FASN, FAHA; Chief Editor: Vecihi Batuman, MD, FASN  more...
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Measuring the transtubular potassium gradient (TTKG) is useful in determining the etiology of hyperkalemia or hypokalemia associated with metabolic acidosis.

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