名词
中文翻译：反流分数
同义词：
['regurgitation fraction', 'regurgitation rate']
例句：
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1.The doctor measured the patient's bloodpressure and found a high regurgitant fraction.
医生测量了患者的血压，发现反流分数很高。
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2. The studyrevealed that the regurgitant fraction was significantly higherin patients with heart failure.
研究发现，患有心脏病的患者反流分数显著更高。
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3. Thepatient's condition worsened due tothe high regurgitant fraction,necessitating further treatment.
由于高反流分数，患者的病情恶化，需要进一步治疗。