To confirm the utility of continuous wave Doppler echocardiography in assessing pulmonary artery wedge pressure in patients with mitral regurgitation.
目的探讨连续波多普勒超声在评估二尖瓣返流患者的肺动脉楔压中的作用。
Through the conduction theory based on one dimension stress wave theory, the reflection and transmission phenomena of waves on the surface of the wedge have been analyzed.
通过在一维应力波理论建立的传导理论，分析了波在楔型表面的反射和透射现象。
The variation of R wave amplitude has little relation with cardiac output, heart pumping function, especially with pulmonary wedge pressure.
波振幅的改变与心输出量及心脏的泵血功能，尤其是肺动脉楔压之间无明显关系。
应用推荐