血清镁的正常浓度为0.75～1.25mmol/L。其调节主要由肾脏完成，肾脏排镁和排钾相仿，即虽有血清镁浓度降低，肾脏排镁并不停止。在许多疾病中，常可出现镁代谢异常。血清镁<0.75mmol/L即称为低镁血症。
一例低镁血症病牛并无器质性损害。
In a case of hypomagnesemia in a cow there is no physical lesion.
大多数病例在低镁血症得到治疗后没有继续使用质子泵抑制剂。
In most cases reviewed the patients did not continue on PPIs after the hypomagnesemia was treated.
本文报道了17例新生儿低镁血症，以早产儿、早期新生儿、牛乳喂养儿多见。
This paper reports 17 cases of newborn infants hypomagnesemia and most cases are premature infants, early newborn infants and cow milk feeding infants.
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