左射

左室射血分数A组最高，C组最低[A组：（55.8%±8.7%）；B组：（46.9%±6.9%）；C组：（40.5%±7.8%）]（P<0.01）；

Left ventricular eject fraction was lowest in group C and highest in group A.

血浆N末端脑利钠肽前体水平与左心室射血分数正常心力衰竭患者预后的相关研究

Prognostic value of N-terminal pro-brain natriuretic peptide in patients with heart failure and preserved left ventricular ejection fraction

治疗前后患者左室射血分数、6分钟步行试验有显著差异（P0.05）。

LVEF and 6 minutes walking distance were obvious changed either ( P0.05 ) .

两组间左室射血分数（EF）差异无统计学意义（P＞0.05）。

There was no statistically significant difference of left ventricular EF between two groups ( P0.05 ) .

分析血清C反应蛋白水平与心功能分级、心脏解剖参数和左室射血分数的相关性。

The correlations of serum level of C reactive protein with grade of cardiac function , cardiac anatomic indexes and left ventricular ejection fraction were analyzed .

测量左室射血分数（EF%）和二尖瓣口血流的E、A峰值，计算E/A比值。

Ejection fraction and transmitral flow velocities ( E , A ) were also measured and E / A ratio were calculated .

平板探测器DSA左室射血分数分析的方法与技巧

Methods and technique of flat-panel detector DSA in analysis of left ventricular ejection fraction

结果心电图P波异常组三支病变多见（P<0.01），左室射血分数<40%者多见（P<0.01）；

Results Triple vessel lesion and cases with low left ventricle ejection fraction ( < 40 % ) were more common in group ⅰ than in group ⅱ ( P < 0.01 );

采用流式细胞仪测定外周血T淋巴细胞亚群CD3、CD4、CD8，计算CD4/CD8比值，超声心动图测定左心室射血分数（LVEF）。

Echocardiography was used to measure the ejection fraction of left ventricle ( LVEF ) .

通过M型超声获得左室射血分数（EF）；

The left ventricular ejection fraction ( EF ) was measured by M-mode echocardiography .

进行超声心动图检查获取心功能指标&左室射血分数（LVEF）。

Heart function signs : Left Ventricular Eject Fraction ( LVEF ) .

用二维超声心动图测量左室射血分数（LVEF）；

LV ejection fraction ( LVEF ) was determined by 2-D echocardiography .

冠心病伴室性心律失常与左室射血分数及QT离散度的关系

The Relationship of Coronary Heart Disease Accompanied by Ventricular Arrhythmia with Left Ventricular Ejection Fraction and QT Dispersion

PCI组再通率、左室射血分数明显高于溶栓组（P0.05）。

The recanalization rate and left ventricular ejection fraction of PCI group were significantly higher than those of thrombolysis group ( P 0.05 ) .

术前和术后6个月内的患者左心室射血分数（LVEF）明显改善；

Significant improvement in left ventricular eject fraction ( LVEF ) observed after procedure .

方法：荧光免疫法测定100例呼吸困难患者血浆BNP，心脏超声测定心脏左室射血分数（EF）。

Methods : Plasma BNP concentration was measured with immunofluorescence assay in 100 patients with Acute dyspnea .

CRRT组患者治疗后左室射血分数较常规治疗组患者治疗后升高（P0.05）。

Left ventricular ejection fraction ( LVEF ) increased more significantly in CRRT group than in conventional therapy group .

改良Simpson′s法测定左室射血分数（LVEF）。

Left ventricular ejection fraction ( LVEF ) was calculated by modified Simpson ′ s method .

妊娠各组与非孕对照组之间左室射血分数（EF）、左室短轴缩短率（FS）的差异均无统计学意义（p＞0.05）。

Left ventricular ejection fraction and left ventricular fractional shortening were no statistical significance between healthy women and normal pregnancy women ( p 0.05 ) .

结论：病程较短，有异常Q波，室壁运动异常，左室射血分数<50%者提示侧支循环不佳。

Conclusion : Indexes indicated collateral circulation insufficiency are duration of angina < 3 months , abnormal Q waves , abnormal wall motion , LVEF < 50 % .

目的探讨左心室射血分数减低的急性冠状动脉综合征患者进行经皮冠状动脉介入（PCI）治疗后的临床转归。

Objective To determine clinical outcomes of acute coronary syndrome ( ACS ) patients with decreased left ventricular function after percutaneous coronary intervention ( PCI ) .

ChildA、B级患者心输出量、心脏指数、左室射血分数明显增加，呈高动力循环状态；

Cardiac output 、 cardiac index and left ventricular ejection fraction of Child A and Child B cirrhotics were markedly increased , indicating the character of hyperdynamic circulation ( P < 0.05 , P < 0 . )

核素心血池显像的左心室射血分数和血液BNP浓度的关系与彩色超声心动图左心室射血分数和血液BNP浓度关系呈一致性。

The levels of LVEF and BNP by nuclide gated cardiac blood pool imaging were consistent with those by color Doppler .

非风湿性心脏病Af患者复律即刻左房射血力（LAF）明显低于正常对照组；

The left atrial ejection force ( LAF ) immediately postcardioversion decreased significantly in non-rheumatic heart disease .

左室射血分数平均增加183%，运动低下节段数明显减少。心脏超声测定左室射血分数（LVEF）。

LVEF increased 18.3 % after stem cells transplantation . Left ventricular ejection fraction was measured by echocardiography .

超声心动图测量左室射血分数（LVEF）作为心功能指标。同时以梗死后心绞痛、急性左心衰以及心源性死亡作为急性期心脏事件。

Using the left ventricular ejective fraction ( LVEF ) measured by echocardiogram as the heart function index .

~（99m）Tc-MIBI门控心肌灌注断层显像左心室射血分数与超声心动图相关性

Correlative Study on Left Ventricular Ejection Fraction with Gated Myocardial ~ ( 99m ) Tc-MIBI Perfusion SPECT and Echocardiography

，型前胶原mRNA阳性表达量与左室射血分数（EF），左室周径向心缩短率（mVcf）呈负相关。

The degree of positive expression of type precollagen mRNA had a negative relationship with LVEF and mVcf .

结果表明，在前壁AMI，以QRS分数估测左空射血分数较QRS记分系统更为简便实用。

We conclude that the QRS fraction is more feasible and simple than QRS scoring system in estimating LVEF in patients with acute myocardial infarction .

同时使用核素心室显像测定心衰患者左心室射血分数（LVEF）。

Simultaneously , the left ventricular ejective fraction ( LVEF ) of above patients were measured by nuclide ventricular imagery .