A 67-year-old woman develops acute kidney injury after vomiting and diarrhoea. Creatinine rises from 80 µmol/L baseline to 220 µmol/L. Urine sodium is...

Question

A 67-year-old woman develops acute kidney injury after vomiting and diarrhoea. Creatinine rises from 80 µmol/L baseline to 220 µmol/L. Urine sodium is 10 mmol/L, urine osmolality is high, and there are no granular casts. What is the most likely cause of her AKI?

Accepted Answer

Pre-renal azotaemia due to volume depletion

Answer

Intrinsic acute tubular necrosis

Answer

Acute interstitial nephritis

Answer

Post-renal obstruction

Answer

Contrast-induced nephropathy

au-racp MCQ (SBA): AKI pre-renal vs intrinsic

A 67-year-old woman develops acute kidney injury after vomiting and diarrhoea. Creatinine rises from 80 µmol/L baseline to 220 µmol/L. Urine sodium is 10 mmol/L, urine osmolality is high, and there are no granular casts. What is the most likely cause of her AKI?