A 70-year-old woman presents with rising creatinine from 80 to 180 µmol/L over 3 days following a bout of diarrhoea. She is taking an ACE inhibitor an...

Question

A 70-year-old woman presents with rising creatinine from 80 to 180 µmol/L over 3 days following a bout of diarrhoea. She is taking an ACE inhibitor and a thiazide diuretic. Blood pressure is 95/60 mmHg and she appears clinically dehydrated. Urinalysis shows no blood or protein and microscopy is bland. What is the most likely cause of her acute kidney injury?

Accepted Answer

Pre-renal azotaemia due to volume depletion

Answer

Acute tubular necrosis due to nephrotoxins

Answer

Acute glomerulonephritis

Answer

Post-renal obstruction

Answer

Chronic kidney disease progression

au-racp MCQ (SBA): Pre-renal acute kidney injury