结果：声像图上可准确显示各类异物的位置、大小、形态和回声特征。
Results: The position, size, shape and ultrasonic features of foreign bodies were shown precisely under ultrasonography.
超声心动图选用标准左室短轴和长轴观声像图，显示室壁节段性运动异常。
Using echocardiography, standard short and long axis image of left ventricle were chosen, displaying regional wall motion abnormality.
瘢痕显示在声像图上呈低回声结构，在病理切片符合为瘢痕组织。
The said sound image and pathological section display that the low echo structure belongs to scar tissue.
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