Case Report
Severe Hyponatremia due to Levofloxacin Treatment for Pseudomonas aeruginosa Community-Acquired Pneumonia in a Patient with Oropharyngeal Cancer
Table 1
Laboratory results at admission and in evolution.
| | Analysis | At admission | During hospitalization
| At discharge | Normal range |
| | Sodium (mEq/L) | 114 | 131 | 133 | 135–145 | | Sodium deficiency (mEq) | 284.4 | — | — | — | | Potassium (mEq/L) | 3.8 | 4.1 | 4 | 3.5–5.1 | | Chloride (mEq/L) | 98 | 102 | 104 | 96–106 | | Urea (mg/dL) | 24 | 30 | 25 | 15–45 | | Creatinine (mg/dL) | 0.58 | 0.72 | 0.80 | 0.57–1.12 | | Uric acid (mg/dL) | 2.9 | 3 | 3.5 | 2.6–7 | | Osmolality (mOsm/kg) | 233 | — | 285 | 285–295 | | Glycemia (mg/dL) | 89 | 90 | 85 | 70–110 | | TSH (mIU/mL) | 3.15 | — | — | 0.7–4.2 | | Cortisol (nmol/L) | 327 | — | — | 171–536 | | Total protein (g/L) | 6.5 | — | — | 6.4–8.3 | | WBC (×103/mm3) | 4.7 | — | 5 | 4–10.5 | Hemoglobin (g/dL)
Hematocrit (%)
Platelet (×103/mm3) | 8.3
24.1
344 | —
—
— | 8.5
25
350 | 11.5–15.5
36–48
150–400 |
| | Urine chemistry | | | | | | Osmolality (mOsm/kg) | 116 | 450 | 800 | 500–800 | | Na (mEq/L) | 40 | 60 | 130 | 40–220 | | K (mEq/L) | 25 | 56 | 60 | 20–125 | | Density | 1025 | 1030 | 1031 | 1015–1025 | | Volume status: PVC (cmH2O) | 5 | — | — | — |
|
|
Na deficiency
|
