Ejection fraction(EF) and cardiac output(CO) of patients in the 3 groups were evaluated before, 4 and 8 weeks after operation respectively.
分别对3组患者术前、术后4周、8周心脏射血分数（EF）及心输出量（CO）进行观察。
Mitral septal Angle (MSA), an index of left ventricular diastolic function, was negative correlative relationship with ejection fraction (ef) in the rest.
静息状态下，左心室舒张功能指标-二尖瓣室间隔角(msa)与射血分数(EF)呈负相关。
Objective To evaluate the accuracy of left ventricular ejection fraction (ef) and fractional shortening (FS) for predicting ventricular arrhythmias (va) after coronary artery bypass grafting (CABG).
目的研究冠状动脉旁路移植术(CABG)前左心室射血分数(EF)和左心室缩短分数(FS)对术后室性心律失常(VA)预测的准确性。
We know that all patients with an ejection fraction (EF) of less that 35% are not all the same.
我们知道，射血分数(EF)小于35%的患者也是不尽相同的。
Objective To establish an animal model of heart failure with preserved ejection fraction (EF) resulting from hypertension.
目的建立高血压病导致的射血分数正常性心力衰竭的动物模型。
The problem for patients with preserved ejection fraction is we are not sure what to treat those patients with, so we don't have good evidence-based medicine in the preserved EF population.
对于射血分数正常的患者我们尚不能确定该如何进行治疗，所以我们对这部分患者没有遵循循证医学根据的用药指导。
Left atrial diameter (LAD) and ejection fraction (ef) of each group were measured by echocardiography respectively.
同时应用心脏超声测量各组病人左心房内径以及左心室射血分数。
The ejection fraction (EF) and peak filling rate (PFR) were decreased and the time of peak filling rate (TPFR) was prolonged.
冠心病组射血分数、峰值充盈率减少，峰值充盈时间延长。
Provides the most commonly used parameter to describe the LV function, the Ejection Fraction (EF).
提供最常用的参数来描述左心室功能，射血分数(EF)。
Provides the most commonly used parameter to describe the LV function, the Ejection Fraction (EF).
提供最常用的参数来描述左心室功能，射血分数(EF)。
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