Case Report
Acute Kidney Injury, Recurrent Seizures, and Thrombocytopenia in a Young Patient with Lupus Nephritis: A Diagnostic Dilemma
| Variable | Reference range, adults | On admission | Third hospital day | Sixteenth hospital stay | At discharge |
| White cells (per mm3) | 3,500–11,000 | 29,000 | 14,500 | 8,900 | 8,800 | Hemoglobin (g/dl) | 12–16 (women) | 9.6 | 7.7 | 7.7 | 8.9 | Hematocrit (%) | 36–46 | 30.6 | 23.9 | 22.4 | 26.3 | Platelets (per mm3) | 150,000–440,000 | 95,000 | 45,000 | 143,000 | 131,000 | Carbon dioxide (mEq/L) | 24–30 | 12.6 | 24.8 | 29.5 | 21 | Urea nitrogen (mg/dl) | 5–26 | 54 | 45 | 47 | 59 | Creatinine (mg/dl) | 0.1–1.5 | 2.3 | 2.2 | 5.3 | 2.9 | Albumin (g/dL) | 3.5–5.5 | 2.4 | 2.3 | 2.5 | 3.3 | Lactate dehydrogenase (U/L) | 100–210 | 1,144 | 418 | 393 | | Total bilirubin (mg/dl) | 0.1–1.2 | 0.2 | 0.3 | 0.3 | 0.3 | Erythrocyte sedimentation rate (mm/hr) | 0–20 | 36 | | | | C-reactive protein (mg/L) | 0–5 | 64.9 | | | | Complement C3 (mg/dl) | 90–180 | 80 | | | | Complement C4 (mg/dl) | 10–40 | 28.5 | | | | ADAMTS13 activity | ≥67% | 82% | | | | Direct Coombs test | Negative | Negative | | Negative | |
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