Solve exciting clinical cases specific to your field of interest via Docplexus clinical case challenge. In today’s ‘ Nephrology Case Challenge’ , join your fellow doctors to discuss and answer today’s question which is about lupus nephritis. A 50-year-old woman presented in the OPD because of a rising serum creatinine (2.9 mg/dl to 4.4 mg/dl over one month) and a serum potassium level of 6.1 mEq/L. The patient has a 30-year history of systemic lupus erythematosus, including lupus nephritis.

She has been treated for nine or more months with lisinopril and losartan and, over the last month, an increased dosage of bumetanide. She has no uremic symptoms. Her BP is 130/80 mmHg sitting and declines to 110/60 mmHg on standing.