Understanding Serum Electrolytes
Serum Electrolytes are essential minerals present in your blood and body fluids that carry an electric charge. They play a crucial role in maintaining pH balance, hydration, nerve function, and muscle activity. The Serum Electrolytes test measures key electrolytes—sodium (Na⁺), potassium (K⁺), and chloride (Cl⁻)—to assess how well your body maintains fluid balance and electrical activity across cells.
- Sodium (Na⁺): Regulates fluid balance, supports nerve impulses, and aids muscle contraction. Abnormal sodium levels can lead to issues such as high blood pressure, dehydration, confusion, or neurological disturbances.
- Potassium (K⁺): Helps control muscle and heart function, nerve transmission, and fluid balance. Both low and high potassium levels can cause irregular heartbeat, muscle weakness, or paralysis.
- Chloride (Cl⁻): Works alongside sodium and potassium to maintain electrolyte balance, control blood pH, and aid digestion. Abnormal chloride levels may indicate kidney disease, dehydration, or acid–base imbalances.
Doctors at Curis Life Clinic may recommend this test if you exhibit signs of electrolyte imbalance such as:
- Extreme fatigue or weakness
- Shortness of breath
- Irregular heartbeat
- Nausea, vomiting, or diarrhea
- Muscle cramps or twitching
- Confusion, dizziness, or seizures
The test is also advised for patients on dialysis, those with hypertension, or individuals on medications affecting electrolyte levels (such as diuretics or corticosteroids).
No special preparation is required for this test. You can eat and drink as usual, but it’s essential to inform your doctor about all current medications, as some may affect test results.
Lab values may vary slightly depending on the testing method and equipment used. Always discuss your results with your doctor to understand what they mean and whether any lifestyle or medication adjustments are needed to restore balance.
What Does Serum Electrolytes Measure?
Contains 3 tests
The Serum Electrolytes test measures the concentration of:
- Sodium (Na⁺) – maintains fluid balance and supports blood pressure regulation.
- Potassium (K⁺) – ensures normal muscle and heart function.
- Chloride (Cl⁻) – helps regulate body fluids and maintain acid-base balance.
This test provides a clear picture of your electrolyte and fluid status, helping your healthcare provider at Curis Life Clinic evaluate your heart, kidney, and overall metabolic health.