A magnesium test is used to measure the amount of magnesium in your blood.
Magnesiumis a metallic element mainly found in the bones and is essential to life.
Abnormal magnesium levels can occur in conditions that affect the functioning of your kidneys or intestines.
A magnesium test may be recommended as part of a series of tests if you have symptoms such as nausea, weakness, twitching, cramping orcardiac arrhythmia(irregular heartbeat).
You may have abnormally low levels of magnesium, calcium or potassium in your blood.
Read more about themagnesium teston Lab Tests Online UK.
Page last reviewed: 20 May 2022
Next review due: 20 May 2025