Laboratory Values
| POD 1 | POD 2 | POD 3 | POD 4 | POD 5 | POD 6 | |
|---|---|---|---|---|---|---|
| Daily serum sodium (mmol/L) | 135→129 | 133–135 | 134–137 | 130–134 | 137 | 131 |
| Urine osmolality (mOsm/kg) | 673 | 459 | ||||
| Urine sodium (mmol/L) | 268 | 217 | ||||
| Urine output (mL/kg/hr) | 1.9 | 10.6 | 19.4 | 4.1 | 4.7 | 3.8 |
| Sodium intake (meq/kg/day) | 11.1 | 43.7 | 60 | 22.7 | 20 | 20 |
| Fluid balance (mL) | 836 | 286 | 351 | 25 | 90 | 38 |
| BNP (pg/mL) | 271.6 | 16.1 |