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当前学科:后天性心脏病的外科治疗
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男性,70岁。彩色B超检查发现主动脉瓣增厚钙化,开放受限,关闭不拢,升主动脉扩张。临床诊断为主动脉瓣狭窄伴关闭不全。拟行手术治疗。检查的目的是()。
A . 了解心内血流情况
B . 了解脑血管情况
C . 了解肺动脉情况
D . 了解冠状动脉情况
E . 了解主动脉弓情况
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