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近十年来,冠心病被视为威胁人类健康的重大疾病之一,因而国内外学者积极致力于急性心肌梗塞的研究和处理。急性下壁心肌梗塞(AIMI)患者中,常伴有心前导联ST 段压低,这种现象被传统地认为是一种良性的下壁导联 ST 抬高的“对应性”(reciprocal)表现,即此种 ECG 改变是下壁导联电变化之镜面反应。近年来许多学者提出了一些不同的看法,通过临床观察研究,推测此现象可能与梗塞区对侧缺血等原因有关,但其发生的机理尚不十分清楚。临床观察表明下壁梗塞伴有心前导联 ST 段压低与患者的并发症及预后有一定关系,现将近年来的研究概况综述如下,以供参考。
In the recent ten years, coronary heart disease is regarded as one of the major diseases that threaten human health. Therefore, domestic and foreign scholars actively devote themselves to the research and treatment of acute myocardial infarction. Acute inferior myocardial infarction (AIMI) is often associated with an anterior ST segment depression, a phenomenon traditionally considered to be a reciprocal manifestation of benign ST elevation in the inferior leads, ie, This ECG change is a mirror reaction of the electrical conductivity of the inferior leads. In recent years, many scholars have put forward some different opinions. According to the clinical observation and research, it is speculated that this phenomenon may be related to the ischemic infarction and other reasons, but its mechanism is not yet clear. Clinical observations show that inferior wall infarction associated with presyrinx ST-segment depression and patient’s complications and prognosis have a certain relationship, now in recent years, research overview is summarized below for reference.