Table 1.
Initial laboratory findings and results.
| Laboratory Test | Results | Reference Values |
|---|---|---|
| Blood Urea Nitrogen | 19 mg/dL | 7–18 mg/dL |
| Creatinine | 1.02 mg/dL | 0.51–0.95 mg/dL |
| Sodium | 131 mmol/L | 136–145 mmol/L |
| Potassium | 3.3 mmol/L | 3.5–5.1 mmol/L |
| Chloride | 99 mmol/L | 98–107 mmol/L |
| Bicarbonate | 21 mmol/L | 21–32 mmol/L |
| White Blood Cell Count | 8.5 × 103/uL | 3.5–10 × 103/uL |
| Lactic Acid | 6.5 mmol/L | 0.4–2.0 mmol/L |
| Procalcitonin | 21.88 ng/mL | <0.05 ng/mL |
| D-Dimer | 1.7 mg/L | <0.49 mg/L |
| Pro-BNP | 13,240 pg/mL | <352 pg/mL |
| Respiratory Pathogen Panel | Negative | Negative |
| Urine Legionella Antigen Test | Negative | Negative |
| SARS-CoV-2 | Negative | Negative |
| Arterial Blood Gas * | ||
| pH | 7.42 | 7.35–7.45 |
| pCO2 | 27 mmHg | 32–45 mmHg |
| paO2 | 283 mmHg | 75–85 mmHg |
| Troponin | ||
| 1st | <0.015 ng/mL | ≤0.045 ng/mL |
| 2nd | 3 ng/mL | |
| 3rd | 2.48 ng/mL |
* Taken on BiPAP with 100% FiO2.