目的探讨电子束ct (EBCT)诊断先天性主动脉瓣下隔膜型狭窄的实用价值。
Objective To evaluate the clinical efficacy of EBCT in diagnosing the congenital discrete subaortic stenosis.
目的为了评价实时三维超声心动图（RT-3DE）诊断先天性主动脉瓣下隔膜的价值。
Objective To evaluate the effect of real-time three-dimensional echocardiography (RT-3DE) on diagnosis of congenital discrete subaortic membrane.
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