CRP and Hyperkalemia: Laboratory evaluation showed elevated creatinine of 1.88 mg/dL (baseline creatinine level of 1.1 mg/dL), mild hyperkalemia of 5.3 mEq/L, elevated erythrocyte sedimentation rate (ESR) of 75 mm/hr, elevated C-reactive protein (CRP) of 2.5 mg/dL, normal complete blood count and coagulation panel.