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目的探讨急性心肌梗死合并缺血性J波抬高的临床意义。方法回顾性分析140例急性心肌梗死患者,按有无缺血性J波将患者分为J波组和非J波组,比较两组一般临床情况及室性心律失常发生率。结果 J波组的平均发病时间较非J波组的平均发病时间早,两组在发病时间方面比较差异有统计学意义。两组患者收缩压、冠脉病变方面比较,差异有统计学意义。室性心律失常发生率J波组高于非J波组,差异有统计学意义。结论急性心肌梗死合并缺血性J波抬高,是恶性室性心律失常及猝死的预警指标。
Objective To investigate the clinical significance of acute myocardial infarction with ischemic J wave elevation. Methods A total of 140 patients with acute myocardial infarction were retrospectively analyzed. The patients were divided into J wave group and non - J wave group according to the presence or absence of ischemic J wave. The clinical and ventricular arrhythmia incidence were compared between the two groups. Results The mean onset time of J wave group was earlier than that of non-J wave group, and there was significant difference between the two groups in the onset time. Two groups of patients with systolic blood pressure, coronary lesions compared, the difference was statistically significant. The incidence of ventricular arrhythmia was higher in J wave group than in non-J wave group, the difference was statistically significant. Conclusions Acute myocardial infarction with ischemic J wave elevation is an early warning indicator of malignant ventricular arrhythmia and sudden death.