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2025年1月29日 · 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 …

2015年5月20日 · 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 …

2025年6月17日 · 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 …

2025年5月10日 · 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，整体心脏功能也可能 …

2020年10月30日 · 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 …

2023年8月15日 · Left ventricular ejection fraction less than 35%. New York Heart Association Class III to IV functional status. Two or more hospital admissions in the last year. Increased left ventricular end …

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 …

2025年7月2日 · 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 …

2025年1月21日 · 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 …