本文通过研究主动脉容积变化微分方程，导出了心阻抗图与心脏射血的非线性函数关系。
This paper derived a non-Linear function relationship between the cardiac impedance plethysmogram and the heart ejection by researching differential equation of the aortic volume change.
目的评价实时三维超声心动图(RT 3de)测量左心室容量与射血分数的准确性。
Objective To assess the accuracy of real-time three-dimensional echocardiography (RT-3DE) for measuring left ventricular volume and ejection fraction.
随访复查超声心动图，计算左室的整体室壁运动指数和左室射血分数。
The left ventricular wall motion score index (WMSI) and left ventricular ejection fraction were calculated by echocardiography.
应用推荐