方法利用二维超声心动图仪对251例健康人心脏多切面检查。
Method Two-dimensional echocardiographic studies on hearts of 251 healthy subjects were performed.
对肺动脉分支起源异常超声心动图诊断方法及切面进行探讨。
Objective To analyze echocardiographic diagnosis and images of anomalous origin of pulmonary arterial branch.
经食管超声心动图术中观测各切面观缺损大小及周缘情况，选择闭合器类型及大小。
The ASD size and edge in various sections were measured by transesophageal echocardiography, and the type and size of occluder were accordingly selected.
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