A 61-year-old with diabetic kidney disease takes candesartan and recently began trimethoprim-sulfamethoxazole. Potassium is 5.8 mmol/L, bicarbonate

Question

A 61-year-old with diabetic kidney disease takes candesartan and recently began trimethoprim-sulfamethoxazole. Potassium is 5.8 mmol/L, bicarbonate 17 mmol/L, chloride 113 mmol/L, the anion gap is normal and urine pH is 5.2. Which acid-base disorder is most likely?

Accepted Answer

Type 4 renal tubular acidosis

Answer

Distal type 1 renal tubular acidosis

Answer

Lactic acidosis from tissue hypoperfusion

Answer

Ethylene-glycol toxicity with calcium-oxalate deposition

Answer

Proximal type 2 renal tubular acidosis

Type 4 renal tubular acidosis — RCPSC IM MCQ

A 61-year-old with diabetic kidney disease takes candesartan and recently began trimethoprim-sulfamethoxazole. Potassium is 5.8 mmol/L, bicarbonate 17 mmol/L, chloride 113 mmol/L, the anion gap is normal and urine pH is 5.2. Which acid-base disorder is most likely?