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急性心肌梗塞(AMI)中有40-50%为下壁心肌梗塞(IMI),目前公认的观点是其预后优于前壁梗塞,最近一些对AMI施行溶血栓疗法的研究报告也证实了此观点。但是,值得注意的是50%的IMI患者将发生并发症,并由此导致死亡率上升,这样就从本质上改变了较好预后的说法。因而对急性下壁心肌梗塞(AIMI)并发心脏传导阻滞、原发性ST段下移及右室梗塞应予以讨论,认识其对预后的影响,并对此高危亚群使用溶栓疗法后的效果也应重新评价。
40-50% of acute myocardial infarction (AMI) is inferior myocardial infarction (IMI), the current view is that its prognosis is superior to anterior wall infarction, a recent study of AMI thrombolytic therapy also confirmed this view . However, it is noteworthy that 50% of patients with IMI will have complications and the resulting increase in mortality, thus fundamentally changing the way of better prognosis. Therefore, acute inferior myocardial infarction (AIMI) complicated by heart block, primary ST-segment elevation and right ventricular infarction should be discussed and its impact on prognosis, and high-risk subgroups of this after thrombolytic therapy The effect should also be re-evaluated.