48-year-old man, day 7 ICU following repair of mycotic coronary artery aneurysms. Background of diabetes, and dialysis-dependent renal failure. Shocked, on adrenaline and noradrenaline infusions and VA ECMO. Clinical findings included fluid overload, AV fistula, poor circulation to the right leg, and oozing from the sternal wound.
Candidates were asked to assess with regard to the cause of the renal failure.