J Med Assoc Thai 2002; 85 (4):509

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Transient Hyperkalemia and Hypoaldosteronism in a Patient with Acute Glomerulonephritis
Opastirakul S Mail, Chartapisak W

The authors describe a 7-year-old boy with acute glomerulonephritis, who developed acute
renal failure in the early course of his disease. While the renal function and other clinical manifes-
tations gradually improved, hyperkalemia occurred unexpectedly, and returned to normal level
spontaneously after a short period of symptomatic treatment. With the result of a low transtubular
potassium gradient (TTKG) level, it was concluded that hypoaldosteronism was the major cause of
hyperkalemia in this patient.
Key word : Hyperkalemia, Acute Glomerulonephritis, Hyporeninemic Hypoaldosteronism

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