短語詞組短語Left Ventricular Ejection Fraction LVEF 左室射血分數;左心室射血分數preoperative left ventricular ejection fraction 左室射血分數left ventricular regional ejection fraction 侷部射血分數Low Left Ventricular Ejection Fraction 低左心室射血分數LVEF left ventricular ejection fraction 左室射血份數 返回 left ventricular ejection fraction