目的探讨声学密度定量（AD）技术定量评价缺氧肺动脉高压（PH）后左室心肌损害的应用价值。

Objective To evaluate the value of acoustic densitometry (AD) in detecting myocardium damage of the left ventricle secondry to hypoxic pulmonary hypertension (PH).

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前言：目的：探讨声学定量技术(AQI)多巴酚丁胺负荷超声心动图(DSE)检测冠心病(CHD)心功能变化及临床意义。

AIM: To investigate the clinical significance of the left ventricular function in patients with CHD by intelligent acoustic quantification and dobutamine stress echocardiography (AQI DSE).

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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 study the effects of sodium profile hemodialysis on left ventricular function with acoustic quantification technique.

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