An electrolyte test can help determine whether there's an electrolyte imbalance in the body.
Electrolytes are salts and minerals, such as sodium, potassium, chloride and bicarbonate, which are found in the blood. They can conduct electrical impulses in the body.
The test is sometimes carried outduring a routine physical examination, or it may be used as part of a more comprehensive set of tests.
For example, your electrolyte level may be checked if you're prescribed certain medications, such as diuretics orangiotensin-converting enzyme (ACE) inhibitors, which are often used to treat high blood pressure .
As well as checking levels of electrolytes in the blood, an electrolyte panel (a group of specific blood tests) can also be used tofind out whether there's an acid-base imbalance (a normal arterial blood pH range is 7.35 to 7.45).
An electrolyte test canalso be used to monitorthe effectiveness of treatment for an imbalance that affects the functioning of an organ.
Treatment for an electrolyte imbalance will depend on which electrolyte is out of balance and by how much. For example, if you have a sodium imbalance you may be advised to lower your salt intake (if sodium is too high) or reduce your fluid intake (if sodium is too low).
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