AKT-4441

AKT-4441

An eighty-two-year-old gentleman with a history of renal stones is seen with an acute episode of left sided loin pain and dipstick haematuria. He has a past medical history of type 2 diabetes mellitus and angina.

Bloods are requested which show:

Na+ 137 mmol/L (137-144)

K+ 5.1 mmol/L (3.5-4.9)

Urea 18.9 mmol/L (2.5-7.5)

Creatinine 296 µmol/L (60-110)

eGFR 17 –

Which one of his medications should be withheld?