英文字典中文字典


英文字典中文字典51ZiDian.com



中文字典辞典   英文字典 a   b   c   d   e   f   g   h   i   j   k   l   m   n   o   p   q   r   s   t   u   v   w   x   y   z       







请输入英文单字，中文词皆可：

stocker    音标拼音: [st'ɑkɚ]

安装中文字典英文字典查询工具!


中文字典英文字典工具:
选择颜色:
输入中英文单字

































































英文字典中文字典相关资料:


  • Ejection Fraction Heart Failure Measurement
    Ejection fraction (EF) shows how much blood the left ventricle pumps out with each contraction EF is measured as a percentage An ejection fraction of 60% means that 60% of the blood in the left ventricle is pushed out with each heartbeat A normal heart’s ejection fraction is between 55% and 70%
  • Ejection Fraction: What It Is, Types and Normal Range
    Ejection fraction measures the amount of blood the left ventricle of the heart pumps out to your body with each heartbeat A healthy heart has an ejection fraction of 50% to 70%
  • Ejection Fraction: Definition, Measurement, Causes, and Treatment - WebMD
    Ejection fraction (EF) measures the amount of blood pumped out of your heart's lower chambers, or ventricles It's the percentage of blood that leaves your ventricle when your heart contracts
  • Ejection fraction: An important heart test - Mayo Clinic
    No matter how forceful the contraction, the heart can never pump all the blood out of a ventricle The term "ejection fraction" is the amount of blood — as a percentage — that's pumped out of a filled ventricle with each heartbeat The ejection fraction is usually measured only in the left ventricle
  • What Is LVEF in Cardiology? Meaning and Normal Range
    LVEF stands for left ventricular ejection fraction, and it measures how well the main pumping chamber of your heart pushes blood out with each beat Expressed as a percentage, it tells cardiologists what fraction of the blood sitting in that chamber actually gets ejected into the body
  • Left Ventricular Ejection Fraction - PubMed
    LVEF is the fraction of blood ejected from the left ventricle during systole (stroke volume [SV]) relative to the volume of blood present at the end of diastole (end-diastolic volume [EDV])
  • Ejection Fraction Explained: Know Its Normal Range And What It Means . . .
    Ejection fraction (EF) is a measurement, expressed as a percentage, of the quantity of blood the left ventricle pumps out with each contraction
  • What Does an Abnormal Ejection Fraction Mean? - Verywell Health
    Left ventricular ejection fraction (LVEF): This is the most commonly measured EF It shows how much oxygen-rich blood is pumped from the left ventricle to the rest of the body LVEF helps determine the severity of conditions like heart failure, cardiomyopathy, or coronary artery disease





中文字典-英文字典  2005-2009