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- Ejection fraction: An important heart test - Mayo Clinic
A left ventricle (LV) ejection fraction of about 50% to 70% is categorized as normal A mildly reduced LV ejection fraction is usually between 41% and 49% A reduced LV ejection fraction is usually 40% or less
- Left ventricular hypertrophy - Symptoms and causes - Mayo Clinic
Uncontrolled high blood pressure is the most common cause of left ventricular hypertrophy Complications include irregular heart rhythms, called arrhythmias, and heart failure
- Dilated cardiomyopathy - Symptoms causes - Mayo Clinic
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 pumping chamber (left ventricle) Dilated cardiomyopathy makes it harder for the heart to pump blood to the rest of the body
- Left ventricular hypertrophy - Diagnosis and treatment - Mayo Clinic
Diagnosis To diagnose left ventricular hypertrophy, a healthcare professional does a physical exam and asks questions about your symptoms and family's health history The care professional checks your blood pressure and listens to your heart with a device called a stethoscope
- Dilated cardiomyopathy - Diagnosis treatment - Mayo Clinic
Treatment of dilated cardiomyopathy depends on the causes The goals of treatment are to reduce symptoms, improve blood flow and prevent further heart damage Dilated cardiomyopathy treatment may include medications or surgery to implant a medical device that helps the heart beat or pump blood
- Heart failure with preserved ejection fraction (HFpEF): More than . . .
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 pacing in people with HFpEF and chronotropic incompetence
- Heart failure - Symptoms and causes - Mayo Clinic
Proper treatment may improve the symptoms of heart failure and may help some people live longer Lifestyle changes can improve quality of life Try to lose weight, exercise, use less salt and manage stress
- 射血分数：重要的心脏检查 - 妙佑医疗国际
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。
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