It may be difficult to rule out hypomagnesemia as the cause of or a contributor to hypocalcemia because the serum magnesium level may be normal, even when intracellular magnesium stores are reduced.

• 有时候的确难以排除低镁所致的低钙，这主要是因为有时尽管细胞内的镁含量已经下降了，而血清镁水平还可能是正常的。