主动脉瓣关闭不全的病因学诊断
主动脉瓣关闭不全(AI)是一综合征,临床上分急性、亚急性和慢性。就其病因而言,可因瓣膜损坏(如风湿、感染性心内膜炎等)升主动脉和/或瓣环扩张(如马凡氏综合征等)造成。过去根据临床资料、心电图、X线征,甚至心血管造影等,多未能确定其病因,使治疗感到困难。自超声心动图应用以来,尤其是二维超声心动图(2DE)面世,能直接观察主动脉瓣(AV)的形态及运动,以及...
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Main Author: | 周令仪 |
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Format: | Article |
Language: | zho |
Published: |
Editorial Office of Journal of Sun Yat-sen University
1985-01-01
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Series: | Zhongshan Daxue xuebao. Yixue kexue ban |
Online Access: | http://xuebaoyx.sysu.edu.cn/zh/article/43595605/ |
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