目的探讨体外模拟心脏运动对多普勒血流流速曲线速度时间积分(VTI)测定的影响。
Objective To investigate the influence of simulated heart motion on the Doppler spectrum velocity - time integral (VTI) of simulated blood flow measurements through an in vitro model.
目的探讨体外模拟心脏运动对多普勒血流流速曲线速度时间积分(VTI)测定的影响。
Objective To investigate the influence of simulated heart motion on the Doppler spectrum velocity - time integral (VTI) of simulated blood flow measurements through an in vitro model.
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