28th May 2025

A 60-year-old man with known peripheral vascular disease presents to hospital with a non-ST-elevation myocardial infarction.

A 60-year-old man with known peripheral vascular disease presents to hospital with a non-ST-elevation myocardial infarction. He undergoes angiography and stenting. The procedure is uneventful; however, he develops an AKI over the next few days with serum creatinine rising from a baseline of 100 to 180μmol/L. He has also developed a rash in keeping with livedo reticularis and multiple dusky toes.

He is noted to have an increase in serum and urinary eosinophils; which cause of AKI below is, therefore, the most likely?