Table 3: Hyponatremia-directed study.
Parameter |
Result |
Reference Value |
Plasma osmolarity |
272 |
285 - 295 mOsm/dL |
Urine osmolarity |
141 |
100 mOsm/kg |
Plasma Sodium |
107 |
136 - 145 mmol/L |
Plasma Potassium |
4.9 |
3.6 - 5.0 mmol/L |
Urinary Sodium Fractional excretion ratio |
<1% |
<1% |
Plasma Chloride |
83 |
98 - 107 mmol/L |
TSH |
1.36 |
0.4 - 4.0mU/L |