Indian pediatrics
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(i) To examine the usefulness of urinary net charge (UNa + UK - UCl) in the evaluation of hyperchloremic metabolic acidosis secondary to diarrhea, distal RTA and proximal RTA and (ii) To characterize the type of distal RTA on the basis of the underlying defect. ⋯ Measurement of urine net charge is helpful in the initial evaluation of a patient with hyperchloremic metabolic acidosis.