方法为寻求AMI所有镁的随机对照试验中有关降低心律失常发生率和死亡率的文献,进行了光盘检索,通过使用“镁”与“心肌梗塞”“心肌缺血”“死亡率”“死亡”“心律失常”等词交叉搭配进行检索。对所检出文章本身参考文献通过光盘检索反复核对,直至检索不出其它有关文章为止。可以说,该题目的检索是全面的,只有有随机对照的试验才入选。每个试验作者都送上一份调查 Methods CD-ROMs were searched for randomized controlled trials that sought to reduce the incidence of arrhythmias and mortality in all magnesium in AMI by “magnesium” and “myocardial infarction”, “myocardial ischemia”, “mortality”, “death” “Arrhythmia” and other words cross with the search. Check the article itself on the reference by CD-ROM search repeatedly checked until no other relevant articles retrieved so far. It can be said that the topic of the search is comprehensive, only a randomized controlled trial was selected. Each trial author sent a survey