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目的总结急性心肌梗死超急期J波综合征患者的临床特征。方法收集55例选择性冠状动脉造影诊断的急性心肌梗死超急期患者,观察其心电图的演变过程,统计分析J波综合征与冠状动脉病变以及室性心律失常发生之间的关系。结果急性心肌梗死超急期J波综合征患者16例,其中严重右冠状动脉狭窄10例,发生室性心律失常11例,急性心肌梗死超急期J波综合征患者的右冠状动脉狭窄发生率高(P<0.05),室性心律失常的发生率明显高于无J波综合征的患者(P<0.05)。结论急性心肌梗死超急期J波综合征多见于右冠状动脉受累的患者,易致室性心律失常。
Objective To summarize the clinical features of patients with acute J wave syndrome of acute myocardial infarction. Methods Fifty-five patients with acute myocardial infarction (AMI) diagnosed by selective coronary angiography were enrolled in this study. The evolution of ECG was observed. The relationship between J wave syndrome and coronary artery disease and ventricular arrhythmia was analyzed. Results 16 cases of acute J wave syndrome acute myocardial infarction patients, including 10 cases of severe right coronary artery stenosis, ventricular arrhythmias occurred in 11 cases, acute myocardial infarction patients with J wave syndrome of right coronary artery stenosis (P <0.05). The incidence of ventricular arrhythmia was significantly higher than that of patients without J wave syndrome (P <0.05). Conclusion Acute myocardial infarction J-wave syndrome is more common in patients with right coronary artery involvement, prone to cause ventricular arrhythmia.