Laboratory findings at presentation: Findings of the chest x-ray scan showed both lungs were well inflated and clear; the pleural spaces were normal; and the heart and mediastinum were unremarkable in appearance.
| COMPONENT | FINDING |
|---|---|
| White blood cells, × 109/L | 8.9 |
| Red blood cells, × 1012/L | 3.9 |
| Hemoglobin level, g/L | 139 |
| Hematocrit | 0.4 |
| Mean cell volume, fL | 104 |
| Platelets, × 109/L | 459 |
| Chemistry panels, mmol/L | |
| • Sodium level | 135 |
| • Potassium level | 3.5 |
| • Chloride level | 98 |
| • Carbon dioxide level | 20.7 |
| Creatinine level, μmol/L | 92 |
| d-dimer level, nmol/L | 1.1 |
| Erythrocyte sedimentation rate, mm/h | 38 |
| Arterial blood gas | |
| • Po2, mm Hg | 99 |
| • Pco2, mm Hg | 17 |
| • pH | 7.7 |
| • Oxygen saturation, % | 99 |
| • Bicarbonate level, mmol/L | 20.8 |
| • Base excess level, mmol/L | 1 |