A magnesium blood test measures the amount of magnesium in your blood. Magnesium is a type of electrolyte. Electrolytes are electrically charged minerals that are responsible for many important functions and processes in your body.
Your body needs magnesium to help your muscles, nerves, and heart work properly. Magnesium also helps control blood pressure and blood sugar.
Most of your body's magnesium is in your bones and cells. But a small amount is found in your blood. Magnesium levels in the blood that are too low or too high can be a sign of a serious health problem.
Other names: Mg, Mag, Magnesium-Serum
To assess the magnesium level in your blood and to determine the cause of abnormal magnesium, calcium, and/or potassium levels.
Testing should be done if symptoms of too much or too little magnesium are present. These symptoms include weakness, cardiac arrhythmia, irritability, nausea, and/or diarrhea. Other reasons for testing include abnormal calcium/potassium levels or when magnesium is given as treatment.
Note: The medical information provided here in this website is for informational purposes only and is not to be used as a substitute for professional medical advice, diagnosis or treatment.
