采用单平面Simpson’s法由计算机计算左室射血分数（left ventricular ejection fraction, LVEF），左室收缩末容积(end-systolic volume, ESV)和左室舒张末容积(end-dia...
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采用单平面Simpson’s法由计算机计算左室射血分数（left ventricular ejection fraction, LVEF），左室收缩末容积(end-systolic volume, ESV)和左室舒张末容积(end-dia...
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计算左心室射血分数 left ventricular ejection fraction
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.
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