The test measures the concentration of magnesium in the blood to assess overall magnesium status.

No, fasting is not typically required for this test.

Causes include poor dietary intake, gastrointestinal disorders, renal issues, and certain medications.

Yes, high levels can be harmful, often due to excessive supplementation or renal failure, and need medical evaluation.

A blood sample is taken from a vein, usually in the arm, and analyzed in a laboratory.

A lumpectomy is a breast-conserving surgery that removes a tumor and a small margin of surrounding tissue, preserving most of the breast.

Appendectomy is needed when a patient has appendicitis, which can cause severe pain and lead to complications if untreated.