2025年1月29日 · 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. Even if your ejection fraction is OK, your overall heart function may not be healthy.

2015年5月20日 · 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, including older age, female sex, hypertension, metabolic syndrome, renal …

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2025年1月21日 · 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.

2023年6月2日 · Low gallbladder ejection fraction. The amount of tracer leaving the gallbladder is low after medicine is given to make it empty. This might indicate chronic inflammation, known as chronic cholecystitis. Radioactive tracer detected in other areas. Radioactive tracer found outside of the biliary system might indicate a leak.

2025年1月21日 · Heart failure with reduced ejection fraction (HFrEF), also called systolic heart failure: This is a type of left-sided heart failure. The left ventricle can't squeeze as strong as it should. The heart isn't strong enough to pump enough blood to the body. Heart failure with preserved ejection fraction (HFpEF), also called diastolic heart failure

2022年5月4日 · Dilated cardiomyopathy is a type of heart muscle disease that causes the heart chambers (ventricles) to thin and stretch, growing larger.

Overview. A hematocrit (he-MAT-uh-krit) test measures the proportion of red blood cells in the blood. Red blood cells carry oxygen throughout the body.

2025年2月18日 · An implantable cardioverter-defibrillator, also called an ICD, is a small battery-powered device placed in the chest.

2022年12月30日 · Overview. Platelets are parts of the blood that help form blood clots. Thrombocytosis (throm-boe-sie-TOE-sis) is a disorder in which your body produces too many platelets.