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急性心肌梗塞早期,由于心肌缺血引起心肌电位不稳定,极易发生室颤、室速,而致心脏猝死。如何预报这种恶性室性心律失常,以便及时采取有效措施,一直是人们致力于解决的问题。近年来,QT离散度的测量,在预报室性心律失常方面的作用逐渐被人们所认识。我们研究的目的旨在探索QT离散度与急性心肌梗塞及其并发恶性室性心律失常的关系。 1 对象与方法 观察对象87例,其中正常人20例,男12例,女8例;平均年龄45.21±20.14岁,均无室性心律失常史。根据WHO诊断标准,确认为急性心肌梗塞(AMI)者67例,男50例,女17例;平均年龄59.264±17.79岁。其中伴有室颤(VF)、室速(VT)者17例,男13例,女4例,平均年龄60.21±
Early acute myocardial infarction, myocardial ischemia caused by myocardial instability, prone to ventricular fibrillation, ventricular tachycardia, causing sudden cardiac death. How to forecast this malignant ventricular arrhythmia, in order to take timely and effective measures, has been people are committed to solving the problem. In recent years, the measurement of QT dispersion has been gradually recognized in the prediction of ventricular arrhythmias. The purpose of our study was to explore the relationship between QT dispersion and acute myocardial infarction and its associated malignant ventricular arrhythmias. 1 object and method observed 87 cases, of which 20 cases of normal, 12 males and 8 females; mean age 45.21 ± 20.14 years, no history of ventricular arrhythmias. According to WHO diagnostic criteria, 67 patients were confirmed as acute myocardial infarction (AMI), including 50 males and 17 females with an average age of 59.264 ± 17.79 years. Among them, 17 patients had ventricular fibrillation (VF) and ventricular tachycardia (VT), including 13 males and 4 females, with an average age of 60.21 ±