结果表明，用线性回归模型计算的左室射血分数、每搏量、心输出量在较低心率时模拟数值较为可信，在较高心率时每搏量模拟数值不可靠。
It showed that the simulation results of LVEF, SV and CO were reliable at a low heart rate with linear regression model, but unreliable at a high heart rate.
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.
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.
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