Magnesium Testing: Methods, Interpretation & Clinical Insights
Magnesium is a cofactor in over 600 enzymatic reactions, crucial for ATP production, DNA/RNA synthesis, ion transport, and neuromuscular signaling. Deficiency or excess can cause: Due to homeostatic buffering by intestinal absorption and renal excretion, serum magnesium can remain normal even when total body or tissue levels are low. Clinicians …