Table 1.
Laboratory data on presentation and at one week follow-up
| Parameter | Initial Presentation |
Day 7 follow-up |
Reference Range |
|---|---|---|---|
| Serum | |||
| Sodium, mmol/L | 131 | 135–145 | |
| Potassium, mmol/L | 3.3 | 4.1 | 3.6–5.2 |
| Chloride, mmol/L | 107 | 95–105 | |
| Albumin, g/dL | 2.7 | 3.5-5.0 | |
| Creatinine, mg/dL | 3.9 | 1.8 | 0.6–1.1 |
| BUN, mg/dL | 46 | 6–21 | |
| Arterial blood gas | |||
| pH | 7.29 | 7.41 | 7.35–7.45 |
| PaO2, mmHg | 124 | 108 | > 80 |
| PaCO2, mmHg | 18.8 | 41.1 | 35.0–45.0 |
| Bicarbonate, mmol/L | 8.9 | 25.7 | 22–26 |
| Urine | |||
| Urine pH | 5.5 | 5.0–8.0 | |
| Urine Sodium, mmol/L | 72 | N/A | |
| Urine Potassium, mmol/L | 15.4 | N/A | |
| Urine Chloride, mmol/L | 54 | N/A |
Note: Unit conversion factors: serum urea nitrogen in mg/dL to mmol/L, 
0.357; creatinine in mg/dL to mmol/L, 
88.4
Abbreviations: BUN, Blood Urea Nitrogen; PaO2, Partial pressure of oxygen in arterial blood; PaCO2, Partial Pressure of Carbon Dioxide in Arterial Blood