A 34-year-old woman has recurrent renal stones, muscle weakness and non-anion gap metabolic acidosis. Serum potassium is 2.9 mmol/L, urine pH is 6.8

Question

A 34-year-old woman has recurrent renal stones, muscle weakness and non-anion gap metabolic acidosis. Serum potassium is 2.9 mmol/L, urine pH is 6.8 and bicarbonate is 16 mmol/L. What is the most likely cause?

Accepted Answer

Distal renal tubular acidosis

Answer

Proximal renal tubular acidosis

Answer

Lactic acidosis

Answer

Diarrhoeal bicarbonate loss

Answer

Ketoacidosis

Distal renal tubular acidosis — RACP Written MCQ

A 34-year-old woman has recurrent renal stones, muscle weakness and non-anion gap metabolic acidosis. Serum potassium is 2.9 mmol/L, urine pH is 6.8 and bicarbonate is 16 mmol/L. What is the most likely cause?