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：


请选择你想看的字典辞典：
单词字典翻译
Ef查看　Ef　在百度字典中的解释百度英翻中〔查看〕
Ef查看　Ef　在Google字典中的解释Google英翻中〔查看〕
Ef查看　Ef　在Yahoo字典中的解释Yahoo英翻中〔查看〕

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: An important heart test - Mayo Clinic
    Ejection fraction is a measurement of the percentage of blood leaving the heart each time it squeezes When the heart squeezes, it's called a contraction Ejection fraction is just one of many tests your healthcare professional may use to see how your heart works The heart squeezes and relaxes
  • Heart failure with preserved ejection fraction (HFpEF): More than . . .
    Nearly half of all patients with heart failure have a normal ejection fraction (EF) The prevalence of this syndrome, termed heart failure with preserved ejection fraction (HFpEF), continues to increase in the developed world, likely because of the increasing prevalence of common risk factors
  • Cholecystitis - Symptoms and causes - Mayo Clinic
    Cholecystitis (ko-luh-sis-TIE-tis) is swelling and irritation, called inflammation, of the gallbladder The gallbladder is a small, pear-shaped organ on the right side of the belly under the liver The gallbladder holds fluid that digests food This fluid is called bile The gallbladder releases bile into the small intestine
  • HIDA scan - Mayo Clinic
    Overview A hepatobiliary iminodiacetic acid (HIDA) scan is an imaging procedure used to diagnose problems of the liver, gallbladder and bile ducts For a HIDA scan, also known as cholescintigraphy or hepatobiliary scintigraphy, a radioactive tracer is injected into a vein in the arm The tracer travels through the bloodstream to the liver, where the bile-producing cells take it up The tracer
  • Heart failure - Symptoms and causes - Mayo Clinic
    Heart failure occurs when the heart muscle doesn't pump blood as well as it should Blood often backs up and causes fluid to build up in the lungs and in the legs The fluid buildup can cause shortness of breath and swelling of the legs and feet Poor blood flow may cause the skin to look blue or gray Depending on your skin color, these color changes may be harder or easier to see Some types
  • Tachycardia - Symptoms and causes - Mayo Clinic
    Tachycardia (tak-ih-KAHR-dee-uh) is the medical term for a heart rate over 100 beats a minute Many types of irregular heart rhythms, called arrhythmias, can cause tachycardia A fast heart rate isn't always a concern For instance, the heart rate usually rises during exercise or as a response to stress
  • Mitral valve regurgitation - Symptoms and causes - Mayo Clinic
    Overview Mitral valve regurgitation is the most common type of heart valve disease In this condition, the valve between the left heart chambers doesn't close fully Blood leaks backward across the valve If the leakage is severe, not enough blood moves through the heart or to the rest of the body Mitral valve regurgitation can make you feel very tired or short of breath
  • Pericardial effusion - Symptoms causes - Mayo Clinic
    Pericardial effusion (per-e-KAHR-dee-ul uh-FU-zhun) is the buildup of too much fluid in the double-layered, saclike structure around the heart (pericardium) The space between these layers typically contains a thin layer of fluid But if the pericardium is diseased or injured, the resulting inflammation can lead to excess fluid Fluid can also build up around the heart without inflammation
  • Top-ranked Hospital in the Nation - Mayo Clinic
    The right answers the first time Effective treatment depends on getting the right diagnosis Our experts diagnose and treat the toughest medical challenges Top-ranked in the U S Mayo Clinic has more No 1 rankings than any other hospital in the nation according to U S News World Report Learn more about our top-ranked specialties





中文字典-英文字典  2005-2009