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Serum Electrolytes?
Normal values and interpretations of abnormal values
| Question | Answer |
|---|---|
| 135 to 145 mEq/L | Serum sodium |
| hyponatremia | syndrome of inappropriate ADH secretion |
| Hypernatremia | Diabetes insipidus |
| Serum potassium | 3.5 to 5 mEq/L |
| Hypokalemia | Diarrhea |
| Hyperkalemia | Burns;Renal Failure |
| Total serum calcium | 8.9-10.1 mg/dL |
| Hypocalcemia | Acute pacreatitis |
| Hypercalcemia | hyperparathyroidism |
| Ionized calcium | 4.4 to 5.3 mg/dL |
| Ionized calcium <4.4mg/dL | Massive transfusion |
| serum phosphates | 2.5 to 4.5 mg/dL or 1.8 to 2.6 mEq/L |
| Hypophosphatemia | Diabetic ketoacidosis |
| Hyperphospatemia | Renal insufficiency |
| Serum Magnesium | 1.5 to 2.5 mEq/L |
| Hypomagnesemia | Malnutrition |
| Hypermagnesemia | Renal failure |
| Serum Chloride | 96 to 106 mEq/L |
| Hypochloremia | Prolonged vomiting |
| What electrolyte imbalances cause Thirst, CNS changes, and Increased interstitial fluid? | hypercalcemia and hypernatremia |
| 135 to 145 mEq/L | Serum sodium |
| hyponatremia | syndrome of inappropriate ADH secretion |
| Hypernatremia | Diabetes insipidus |
| Serum potassium | 3.5 to 5 mEq/L |
| Hypokalemia | Diarrhea |
| Hyperkalemia | Burns;Renal Failure |
| Total serum calcium | 8.9-10.1 mg/dL |
| Hypocalcemia | Acute pacreatitis |
| Hypercalcemia | hyperparathyroidism |
| Ionized calcium | 4.4 to 5.3 mg/dL |
| Ionized calcium <4.4mg/dL | Massive transfusion |
| serum phosphates | 2.5 to 4.5 mg/dL or 1.8 to 2.6 mEq/L |
| Hypophosphatemia | Diabetic ketoacidosis |
| Hyperphospatemia | Renal insufficiency |
| Serum Magnesium | 1.5 to 2.5 mEq/L |
| Hypomagnesemia | Malnutrition |
| Hypermagnesemia | Renal failure |
| Serum Chloride | 96 to 106 mEq/L |
| Hypochloremia | Prolonged vomiting |
| Hypercalemia | Hypocalcemia |