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ISSN 0973 - 0958
Renal Tubular Acidosis(RTA) in Children
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RENAL TUBULAR ACIDOSIS (RTA)
Q) What are the various types of RTA?
A) There are 4 types of RTA.
Last updated on 14-03-2001
A) There are 4 types of RTA.
Type
I or classical RTA or distal RTA:
It is due to inability of distal tubules to maintain H+ion gradient
between lumen and cell.
Type
II or Proximal tubular acidosis:
It is due to excessive loss of sodium bicarbonate (alkali) in
urine with low renal threshold for bicarbonate.
Type
III or distal RTA with excessive bicarbonate loss in
urine, which occurs in infancy.
Type
IV or Hyperkalemic RTA
due to obstructive uropathy or chronic tubulointerstitial disease.
RTA can be primary/ idiopathic or secondary.
Last updated on 14-03-2001
Kidney Problems in Children Specialist
Answer
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