The patient’s laboratory values on presentation
| Test | Result | Reference range |
|---|---|---|
| Complete blood cell count | ||
| Hemoglobin (g/dL) | 12.9 | 11.5–15.0 |
| Hematocrit (%) | 38.2 | 34.0–46.0 |
| Platelet count (× 109/L) | 277 | 140–400 |
| White blood cell count (×109/L) | 11.2 | 3.5–12.5 |
| Neutrophils (%) | 96 | 41–81 |
| Lymphocytes (%) | 4 | 13–46 |
| Monocytes (%) | 0 | 4–12 |
| Eosinophils (%) | 0 | 0–4 |
| Basophils (%) | 0 | 0–1 |
| Neutrophils (×109/L) | 10.7 | 2.1–7.7 |
| Basic metabolic panel | ||
| Sodium (mmol/L) | 135 | 137–145 |
| Potassium (mmol/L) | 3.5 | 3.5–5.3 |
| CO2 (mmol/L) | 25 | 22–30 |
| Blood urea nitrogen (mg/dL) | 16 | 9.0–20.0 |
| Creatinine (mg/dL) | 0.83 | ≤ 1.11 mg/dL |
| Lactate (mmol/L) | 1.9 | 0.5–1.9 |