A 50-year-old man with a history of bladder cancer presents with abnormal findings on urine cytology. Computed tomographic urography is planned for further evaluation, and you are asked for advice on minimizing the risk of contrast-induced nephropathy. Medication Enteric-coated aspirin, 81 mg/d Lisinopril, 10 mg/d Laboratory Results Sodium, 145 mEq/L (to convert to mmol/L, multiply by 1) Potassium, 3.8 mmol/L Creatinine, 1.7 mg/dL (to convert to μmol/L, multiply by 88.4).
Estimated glomerular filtration rate (GFR), 46 mL/min per 1.73 m 2 (reference range, >90 mL/min per 1.73 m 2 ) Source: Hickson L et al, Clinical Pearls In Nephrology, Mayo Clin. Proc. 2010, 85(11)1046-1050 *This case is from Docplexus editorial team for educative purpose only
