定期复查心电图和二维超声心动图是早期发现心血管病变的良好方法。

It is a good method that ECG and echocardiography are examined regularly in order to discover early the cardiovascular impairment.

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为了更准确地定位梗塞区，为临床提供可靠的治疗依据，本文对81例患者的心电图(ECG)定位与二维超声心动图(2de)定位进行了比较。

In order to correctly locate the site and scope of the infarction and provide reliable warranty for clinical treatment, 81 cases' ECG localization and 2de localization were compared.

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目的：探讨二维超声心动图与心电图在急性心肌梗死患者左前降支病变部位判定方面的临床价值。

Objective: To evaluate the clinic value of two-dimension echocardiography (2-de) and electrocardiogram (ECG) in occlusion site prediction of left anterior descending artery (LAD).

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