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研究已表明急性心肌梗塞(AMI)发作频度有昼夜节律的变化,但对老年患者尚无此项研究。本文作者研究的目的是检验老年AMI胸痛发作时间。
Studies have shown that the frequency of episodes of acute myocardial infarction (AMI) changes with circadian rhythms, but not in elderly patients. The purpose of this study is to examine the onset of chest pain in elderly patients with AMI.