A 62-year-old man with diabetes mellitus type 2 presents with acute onset oliguria and serum creatinine rise from 1.2 to 3.8 mg/dL over 48 hours following contrast-enhanced CT angiography for suspected pulmonary embolism. Urine output is 200 mL/day. Which investigation is most appropriate to confirm the diagnosis of contrast-induced acute kidney injury (CI-AKI)?

See the options, answer & explanation

Sign in free to reveal the answer choices, the correct answer, the detailed explanation, and AI-powered insights for this question.