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目的探讨急性心肌梗死患者心电图J波发生的临床特点及与心律失常的关系。方法收集172例急性心肌梗死患者资料,根据心电图结果分为J波组和非J波组,分析J波发生的临床特征,并比较二组患者心律失常发生情况。结果共23例患者出现J波,J波发生率为13.4%,J波组与非J波组室性心动过速、恶性心律失常发生率分别为44.0%比24.16%、43.48%比20.81%,各组比较差异有统计学意义(P均<0.05)。结论急性心肌梗死患者心电图J波发生率较高,伴有J波的患者更易发生恶性心律失常。一旦出现,要加强心电监护,随时准备电复律。
Objective To investigate the clinical features of J wave in patients with acute myocardial infarction and its relationship with arrhythmia. Methods The data of 172 patients with acute myocardial infarction were collected and divided into J wave group and non - J wave group according to the results of electrocardiogram. The clinical characteristics of J wave were analyzed and the incidence of arrhythmia was compared between the two groups. Results The incidence of J wave was 23.4% in all 23 patients. The incidences of ventricular tachycardia and malignant arrhythmia in J wave group and non - J wave group were 44.0%, 24.16%, 43.48% and 20.81% respectively, The difference between each group was statistically significant (P <0.05). Conclusions The incidence of J wave of electrocardiogram in patients with acute myocardial infarction is higher. Patients with J wave are more likely to have malignant arrhythmia. Once there, to strengthen ECG monitoring, ready to cardioversion.