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23 Jul

Sodium Test

Brief Summary:

A sodium blood test is used to detect abnormal concentrations of sodium, including low sodium (hyponatremia) and high sodium (hypernatremia). It is often used as part of an electrolyte panel or basic metabolic panel for a routine health checkup. Blood sodium can be abnormal in many diseases.

 

Technical Purpose:

The most common form of sodium is sodium chloride, which is table salt. This test is usually done as part of an electrolyte or basic metabolic panel blood test. Your blood sodium level represents a balance between the sodium and water in the food and drinks you consume and the amount in your urine. It also helps you to determine whether your sodium level is within normal limits, to help evaluate electrolyte balance and to help determine the cause of and monitor the treatment for illnesses associated with abnormal sodium levels in the body. This test measures the level of sodium in the blood and/or urine. Sodium, along with other electrolytes such as potassium, chloride, and bicarbonate (or total CO2), helps cells function normally and helps regulate the amount of fluid in the body.

 

Test Process:

A sodium blood test is used to detect abnormal concentrations of sodium, including low sodium (hyponatremia) and high sodium (hypernatremia). It is often used as part of an electrolyte panel or basic metabolic panel for a routine health checkup.

Sodium is an electrolyte present in all body fluids and is vital to normal body function, including nerve and muscle function. It helps cells function normally and helps regulate the amount of fluid in the body.

A blood sodium test may also be used to detect the cause and help monitor treatment in people with dehydration, excess fluid (edema), or with a variety of symptoms (e.g., weakness, confusion, thirst and/or dry mucous membranes). Blood sodium can be abnormal in many diseases. A health practitioner may order this test, along with other electrolytes, to identify an electrolyte imbalance or if there are symptoms of illness involving the brain, lungs, liver, heart, kidney, thyroid, or adrenal glands.

 

Test results/Outcome:

A blood sodium test is ordered by your doctor for a number of reasons. Sometimes it’s needed because you may be on certain medications that affect the sodium levels in your blood. Other times it may be part of a general health checkup. Either way,  it’s important to know how much sodium in your blood. Keeping it at the optimum level is good for your overall health.

 

Sources:

https://labtestsonline.org/tests/sodium

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