chanel 睫毛膏

Left Ventricular Ejection Fraction (LVEF) Your left ventricle pumps blood that's been enriched with oxygen through your aorta to the rest of your body..The British Society of Echocardiography recently updated their normal reference intervals for assessment of cardiac dimensions and function. 1 They describe four categories of left ventricular function and a ‘normal’ LVEF is defined as ≥55%.