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目的观察急性心肌梗死后J波与恶性室性心律失常的关系,预测急性心肌梗死伴缺血性J波的临床意义。方法回顾分析136例ST段抬高型急性心肌梗死患者资料,按心电图有无J波分为J波组(62例)和非J波组(74例),比较分析两组患者的临床表现、梗死部位及恶性室性心律失常发生率。结果J波组梗死前心绞痛、前壁心肌梗死、二个以上部位梗死、恶性室性心律失常的发生率均明显高于非J波组,差异有统计学意义(P(0.05或0.01)。结论缺血性J波可作为预测急性心肌梗死患者恶性室性心律失常的指标。
Objective To observe the relationship between J wave and malignant ventricular arrhythmia after acute myocardial infarction and to predict the clinical significance of acute myocardial infarction with ischemic J wave. Methods The data of 136 ST-segment elevation acute myocardial infarction patients were retrospectively analyzed. According to the presence or absence of J wave in ECG, they were divided into J wave group (62 cases) and non-J wave group (74 cases). The clinical manifestations, The incidence of infarction and malignant ventricular arrhythmias. Results The incidence of pre-infarction angina, anterior myocardial infarction, infarction and malignant ventricular arrhythmia in J wave group were significantly higher than those in non-J wave group (P <0.05 or 0.01) .Conclusion Ischemic J wave can be used as an indicator of malignant ventricular arrhythmias in patients with acute myocardial infarction.