依据左心室射血分数(left ventricularej ection fraction,LVEF),将心衰分为射血分数降低的心衰(heart failure with reduced ejection fraction,HFrEF)、射血分数保留的心衰(heart failure with preserved ejection fraction,HFpEF)和射血分数中间值的心衰(heart failure with mid-range ejection fraction,HFmrEF),3 种...
leftventricularejectionfraction左心室射血分数(Left Ventricular Ejection Fraction,LVEF)是心脏彩超检查的重要指标之一,它反映左心室收缩功能,正常值约在50%以上。 LVEF的计算方法是通过心脏彩超检查,测量左心室收缩末期容积和左心室舒张末期容积,然后通过公式计算得出左心室射血分数。LVEF值越高,左心室收缩功能越好,心脏...
lvef(left ventricular ejection fraction,左室射血分数)是评估心脏功能的重要指标之一。它测量的是左心室在收缩时将血液泵出心室的效率。LVEF的值通常在50-70%之间,但这个范围可能会根据不同的研究或医疗设施有所不同。 射血分数是指心脏收缩时,每搏输出的血液量占心室舒张末期容积量的百分比。正常人的射血分数约...
Age and left ventricular ejection fraction were the only predictors of its development. 有42%的患者被检测到有二尖瓣返流,年龄和左心室射血分数是评价二尖瓣发展的唯一指标。 med.essaystar.com 2. Preoperative left ventricular ejection fraction (LVEF) was lower in two groups, and improved in postoperativ...
8.Left ventricular end-diastolic pressure is a predictor of ortality in cardiac surgery independently of left ventricular ejection fraction.左室舒张末压是心脏手术患者死亡率的一个预测因素,它不依赖于左室射血分数。 9.Conclusion The left ventricle ejection fraction measured by RICG was reliable, it ca...
Mid- range left ventricular ejection fraction: Clinical profile and cause of death in ambulatory patients with chronic heart failure. Int J Cardiol 2017;240:265-70.Pascual-Figal DA, Ferrero-Gregori A, Gomez-Otero I, Vazquez R, Delgado-Jimenez J, et al. (2017) Mid-range left ventricular ...
Leftventricularend-diastolicpressureis apredictorofmortalityincardiacsurgeryindependently ofleftventricularejectionfraction 左室舒张末压可以预测心脏手术患者死亡率,而且不依赖于左室射血分数 www.rjmz.com 9. Influenceofdegreeofrightcoronaryarterylesiononleftventricularejectionfractioninpatientswithleftcoronary arterystenos...
fraction,SF)、 面积分数 变化和容积测量的射血分数(ejection fraction, EF)。 asecho.org asecho.org The assessmentofleft ventricular(LV)diastolic function should be an integral part of a routine examination, particularly [...] asecho.org
Left ventricular ejection fraction (LVEF) is the central measure of left ventricular systolic function. LVEF is the fraction of chamber volume ejected in systole (stroke volume) in relation to the volume of the blood in the ventricle at the end of diastole (end-diastolic volume). Stroke volume...
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