A 70-year-old man presents with rising creatinine (from 90 to 210 µmol L) over 3 days after starting high-dose ibuprofen for osteoarthritis. He is vol...

Question

A 70-year-old man presents with rising creatinine (from 90 to 210 µmol L) over 3 days after starting high-dose ibuprofen for osteoarthritis. He is volume-depleted on examination. Urine microscopy shows bland sediment with few hyaline casts. What is the most likely diagnosis?

Accepted Answer

Pre-renal acute kidney injury from reduced renal perfusion

Answer

Acute tubular necrosis from toxins

Answer

Acute interstitial nephritis

Answer

Chronic kidney disease

Answer

Post-renal obstruction

ca-mccqe1 MCQ (SBA): Acute kidney injury

A 70-year-old man presents with rising creatinine (from 90 to 210 µmol L) over 3 days after starting high-dose ibuprofen for osteoarthritis. He is volume-depleted on examination. Urine microscopy shows bland sediment with few hyaline casts. What is the most likely diagnosis?