What are the urinary pH and urinary anion gap (AG) values in patients with hyperchloremic acidosis?

Updated: Oct 18, 2018
  • Author: Sai-Ching Jim Yeung, MD, PhD, FACP; Chief Editor: Romesh Khardori, MD, PhD, FACP  more...
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Answer

Urinary pH and urinary AG values in patients with RTA are as follows:

  • dRTA - Urinary pH greater than 5.3, urinary AG positive

  • pRTA - Urinary pH usually less than 5.3, urinary AG variable

  • dRTA type IV - Urinary pH less than 5.3, urinary AG positive

  • Renal failure - Urinary pH less than 5.3, urinary AG positive

  • Diarrhea - Urinary pH variable, urinary AG negative


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