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  • الكسر القذفي : فحص مهم للقلب - مايو كلينك
    يمر القلب بدورة متكررة من الانقباض والانبساط، في طور الانقباض، فإنه يضخ أو يقذف الدم من حجرتي القلب السفليتين، وهما البُطينان في طور الانبساط، يمتلئ البُطينان بالدم مجددًا ومهما بلغت قوة الانقباض، لن يستطيع القلب
  • 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
  • How artificial intelligence (AI) helps determine ejection fraction from . . .
    Does estimating a patient's ejection fraction — the measurement of how efficiently the heart is pumping — require watching the heart in action? What if that ratio of the left ventricle's volume when the heart's contracted, compared to when it's relaxed, could be seen from a still image? It can with the help of artificial intelligence (AI)
  • Fracción de eyección: una prueba cardíaca importante - Mayo Clinic
    La fracción de eyección es una medida del porcentaje de sangre que sale del corazón cada vez que se comprime Cuando el corazón se comprime, se llama contracción La fracción de eyección es solo uno entre muchos exámenes que el profesional de atención médica puede usar para ver cómo funciona el corazón
  • 射血分数：重要的心脏检查 - 妙佑医疗国际
    心脏不停地挤压和放松。心脏收缩时，会从两个下心腔（心室）泵出（或射出）血液。心脏放松时，心室会重新充满血液。无论收缩的力度多大，心脏都不可能将所有血液都泵出心室。“射血分数”是指每次心跳时从充满血液的心室中泵出的血液量（百分比）。 通常仅测量左心室的射血分数。左
  • Heart failure - Diagnosis and treatment - Mayo Clinic
    Ejection fraction Ejection fraction is a measurement of the percentage of blood leaving your heart each time it squeezes This measurement is taken during an echocardiogram The result helps classify heart failure and guides treatment An ejection fraction of 50% or higher is considered ideal
  • 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
  • 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
  • Breast radiotherapy team at Mayo Clinic adopts shortened courses to . . .
    Mayo Clinic breast radiation oncology specialists recently adopted five-fraction whole-breast radiotherapy as a new standard treatment option for patients with early-stage breast cancer who do not require lymph node irradiation





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