ModerateNephrologyChronic kidney disease with albuminuriauk-plab-1
A 68-year-old man with stage 3 chronic kidney disease (eGFR 45 mL/min/1.73 m²) and type 2 diabetes is found to have an albumin:creatinine ratio of 45 mg/mmol on two occasions. His blood pressure is 148/88 mmHg. He is not currently on a renin–angiotensin system blocker. What is the most appropriate next step in management?