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  1. Ejection fraction: An important heart test - Mayo Clinic

    Jan 29, 2025 · 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 …

  2. Left ventricular hypertrophy - Symptoms and causes - Mayo Clinic

    Aug 6, 2024 · Left ventricular hypertrophy is a thickening of the wall of the heart's main pumping chamber, called the left ventricle. This thickening may increase pressure within the heart. The …

  3. Left ventricular hypertrophy - Diagnosis and treatment - Mayo Clinic

    Aug 6, 2024 · Treatment Treatment for left ventricular hypertrophy depends on the cause. It may include medicines, catheter procedures or surgery. It's important to manage conditions such …

  4. Dilated cardiomyopathy - Symptoms & causes - Mayo Clinic

    May 4, 2022 · Dilated cardiomyopathy is a type of heart muscle disease that causes the heart chambers (ventricles) to thin and stretch, growing larger. It typically starts in the heart's main …

  5. Dilated cardiomyopathy - Diagnosis & treatment - Mayo Clinic

    May 4, 2022 · Treatment of dilated cardiomyopathy depends on the causes. The goals of treatment are to reduce symptoms, improve blood flow and prevent further heart damage. …

  6. Heart failure with preserved ejection fraction (HFpEF): More than ...

    May 20, 2015 · Mayo Clinic studies test acute inhaled sodium nitrite compared with placebo in people who have heart failure with preserved ejection fraction (HFpEF) and rate adaptive atrial …

  7. Hypertrophic cardiomyopathy - Symptoms and causes - Mayo Clinic

    Feb 23, 2024 · Hypertrophic cardiomyopathy (HCM) is a disease in which the heart muscle becomes thickened, also called hypertrophied. The thickened heart muscle can make it harder …

  8. Cardiomyopathy - Symptoms and causes - Mayo Clinic

    Feb 21, 2024 · Overview Cardiomyopathy (kahr-dee-o-my-OP-uh-thee) is a disease of the heart muscle. It causes the heart to have a harder time pumping blood to the rest of the body, which …

  9. 射血分数:重要的心脏检查 - 妙佑医疗国际 - Mayo Clinic

    May 10, 2025 · 左心室(LV)射血分数约 50% 至 70% 为正常。 LV 射血分数轻度降低通常介于 41% 至 49% 之间。 LV 射血分数降低通常是在 40% 或以下。 即使射血分数正常,整体心脏功 …

  10. Heart failure - Symptoms and causes - Mayo Clinic

    Jan 21, 2025 · 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 …