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两维超声心动图技术的主要优点,是可观察到完整的心室断层切面.提供M型检查难以测得的心腔大小和心室内壁和侧壁的活动.心室的两维观可取得较丰富的解剖信息,因而有可能较精确地对心室壁的各节段进行识别和定位.不过,两维超声心动图的定量数据需要化费许多时间的分析才能获得,因而其上述优点尚未引起足够重视.然而,目
The main advantage of two-dimensional echocardiography is that a complete ventricular slice view can be observed. It provides intracardiac lumen size and ventricular wall and sidewall activity that are difficult to measure by M-mode examination. Anatomical information, thus making it possible to identify and locate each segment of the ventricular wall more accurately However, quantitative data from two-dimensional echocardiography have not yet been given sufficient attention as it takes a long time to analyze. However, head