What is the role of urinalysis in the diagnosis of metabolic acidosis?

Updated: Oct 05, 2018
  • Author: Antonia Quinn, DO; Chief Editor: Romesh Khardori, MD, PhD, FACP  more...
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Answer

A urine pH is normally acidic at < 5.0. In acidemia, the urine normally becomes more acidic. If the urine pH is above 5.5 in the face of acidemia, this finding is consistent with a type I RTA. Alkaline urine is typical in salicylate poisoning.

Ethylene glycol toxicity may present with calcium oxalate crystals, which appear needle shaped, in the urine.


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