A 76-year-old man reattends the ED 24 hours after undergoing a contrast CT for suspected aortic dissection.
He reports feeling more fatigued and mentions that “the urine bag didn’t seem to fill much overnight.”
Vitals: BP 136/78, HR 92, RR 18, SpO₂ 98% RA.
Over the past 12 hours, his catheter has drained 250 mL of urine.
Current bloods show:
Creatinine: 246 µmol/L (was 212 µmol/L yesterday)
eGFR: 22 mL/min/1.73 m² (was 26)
Your resident asks:
“Which NICE criterion actually confirms AKI in this case?”
Which ONE criterion from NICE correctly identifies AKI in this presentation?
