Positive urinary anion gap is found in-: (A) Alcholic ketoacidosis, (B) Diabetic ketoacidosis, (C) Renal tubular acidosis, (D) Diarrhea
Answer is C. Urinary anion gap : used to differentiate GIT causes from Renal causes. UAG= Urine anions - urine cations =( HCO3-) - (NH4+) NORMAL = 0 In GIT cause : NEGATIVE In Renal cause : POSITIVE Ref: Harrison&;s 19thE