方法采用美国HP5500及飞凡彩色多普勒超声诊断仪,观察166例老年退行性心脏瓣膜病患者的心脏结构及心功能变化。
Methods The cardiac structure and functional changes of the 166 cases of senile degenerative heart valvular diseases were studed with HP5500(USA) and En Visor color doppler(Philips).
方法采用美国HP5500及飞凡彩色多普勒超声诊断仪,观察166例老年退行性心脏瓣膜病患者的心脏结构及心功能变化。
Methods The cardiac structure and functional changes of the 166 cases of senile degenerative heart valvular diseases were studed with HP5500(USA) and En Visor color doppler(Philips).
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