1. 作者:马芷琴张焕鑫何琼章艳萍目的:探讨心肌梗死伴糖尿病患者和单纯心肌梗死患者的心率震荡的变化。 Objective To observe the change of Heart Rate Turbulence in patients with acute myocardial infarction and diabetes mellitus and patients with acute myocardial infarction alone.