Case Report
Renal Tubular Acidosis and Hypokalemic Paralysis as a First Presentation of Primary Sjögren’s Syndrome
Table 1
Laboratory and biochemical parameters at presentation.
| | Test | Result |
| | Hb | 10.0 (g/dl) |
| | WBC | 5600 (per mm3) |
| | Platelets | 298,000 (per mm3) |
| | ESR | 67 (mm/1 hour) |
| | Serum Na+ | 148 (mEq/L) |
| | Serum K+ | 1.6 (mEq/L) |
| | Serum Urea | 29 (mg/dL) |
| | Serum Creatinine | 1.0 (mg/dL) |
| | Random blood sugar | 130 (mg/dL) |
| | Serum Magnesium | 2.5 (mg/dL) |
| | Serum Calcium | 8.36 (mg/dL) |
| | Serum pH | 7.20 |
| | pCO2 | 18.8 (mmHg) |
| | HCO3 | 7.1 (mEq/L) |
| | pO2 | 89 (mmHg) |
| | Serum Chloride | 130 (mmol/L) |
| | Anion Gap | 11.9 (mmol/L) |
| | Serum Vitamin 25(OH) D | 6.40 (ng/ml) |
| | Parathyroid hormone | 145 (pg/ml) |
| | TSH | 8.74 (mIU/ml) |
| | Urine pH | 5.0 |
| | Urine K+ | 34.6 |
| | HIV, HBsAg, Anti-HCV | Negative |
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Hb: hemoglobin, ESR: erythrocyte sedimentation rate, RBS: random blood sugar, TSH: thyroid stimulating hormone. Serum anion gap = Na – (Cl + HCO3).
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