MediumNephrologyChronic hyperkalaemia in CKDau-racpau-amc
A 73-year-old man with long-standing hypertension and CKD stage 3b (eGFR 38 mL/min/1.73 m²) is found to have persistent potassium 5.9 mmol/L. He takes an ACE inhibitor, spironolactone and slow-release potassium supplements. What is the most appropriate chronic management step?