目的：探讨急性前壁心肌梗死合并下壁导联ST段压低的临床意义。

Objective:To study the clinical significance of inferior ST segment depression in patients with anterior acute myocardial infarction.

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目的：通过冠脉造影探讨下壁心肌梗死时ST段改变与相关冠状动脉闭塞的关系。

Objective: To observe relationship between ST segment change and corresponding coronary occlusion by way of coronary angiography of acute inferior myocardial infarction.

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目的：讨论急性下壁心肌梗死患者缓慢性窦房结功能紊乱的发生率、临床意义及转归。

Objective:To discuss incidence, clinical significance and result of bradycardic dysfunction of sinoatrial node in inferior wall acute myocardial infarction(AMI).

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