Objective To study the effects of sodium profile hemodialysis on left ventricular function with acoustic quantification technique.
目的：借用声学定量技术检测透析患者的左心功能，探讨长期应用可调钠透析对左心功能的影响。
Objective: To evaluate the Right atrial (RA) function in patients with pulmonary hypertension using acoustic quantification (AQ) technique.
目的应用声学定量(AQ)技术，研究肺动脉高压患者右房功能改变。
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