MRCP2-3914

MRCP2-3914

A 54-year-old man presents to the Emergency Department referred by his General Practitioner due to abnormal renal profile results. The patient’s laboratory results show Na+ 140 mmol/l, K+ 3.4 mmol/l, Urea 25.2 mmol/l, and Creatinine 380 µmol/l. The patient has a medical history of neurofibromatosis type 1, hypertension, and type 2 diabetes mellitus. Despite controlling hypertension and diabetes with diet alone, the patient started taking amlodipine, irbesartan, and metformin two weeks ago. Urinalysis is negative for blood, protein, and nitrites. What is the most likely diagnosis?