TABLE 1.
Time course of the laboratory findings.
| Day of illness Event | Day3 Admission |
Day4 Pre-treatment |
Day8 Reduced cardiac function |
Day15 Recovery |
Reference range |
| Leukocyte (× 103/μL) | 7.8 | 7.1 | 4.9 | 7.4 | 4.5–13.5 |
| Neutrophil (× 103/μL) | 5.6 | 5.4 | 1.9 | 2.5 | 1.8–8.0 |
| Lymphocyte (× 103/μL) | 0.85 | 1.0 | 1.8 | 3.5 | 1.5–6.5 |
| Hemoglobin (g/dL) | 11.3 | 10.5 | 8.1 | 9.7 | 11.5–14.8 |
| Platelets (× 104/μL) | 12.1 | 11.5 | 27.0 | 65.8 | 15.0–40.0 |
| Albumin (g/dL) | 3.8 | 3.2 | 1.8 | 3.0 | 3.5–5.0 |
| Total bilirubin (mg/dL) | 0.66 | 0.47 | 0.2 | 0.2 | 0.4–1.5 |
| Aspartate aminotransferase (IU/L) | 40 | 24 | 21 | 30 | 16–38 |
| Alanine aminotransferase (IU/L) | 31 | 22 | 8 | 20 | 4–25 |
| Lactate dehydrogenase (IU/L) | 278 | 212 | 184 | 191 | 286–606 |
| Creatinine kinase (IU/L) | 37 | 35 | 15 | 8 | 41–212 |
| Blood urea nitrogen (mg/dL) | 8.7 | 4.2 | 5.7 | 11.9 | 8.0–20.0 |
| Creatinine (mg/dL) | 0.29 | 0.25 | <0.17 | <0.17 | 0.34–0.51 |
| Sodium (mEq/L) | 131 | 134 | 139 | 136 | 138–145 |
| Potassium (mEq/L) | 3.9 | 3.0 | 3.6 | 3.9 | 3.4–4.7 |
| Chloride (mEq/L) | 96 | 97 | 104 | 99 | 98–106 |
| Ferritin (ng/mL) | N/A | 153 | 179 | N/A | 5–157 |
| PT-international normalized ratio | 1.04 | 0.95 | 1.06 | 0.83 | 0.75–1.15 |
| Fibrinogen (mg/dL) | 414 | 347 | 344 | N/A | 200–400 |
| Troponin I (pg/mL) | <2.49 | N/A | 16.1 | <0.01 | <26 |
N/A, not available; NT-proBNP, N-terminal pro-brain natriuretic peptide.