Purpose To study intraoperative changes of corrected left ventricular ejection time in the off-pump coronary bypass surgery.
目的研究纠正左室射血时间在非体外循环冠脉搭桥手术中的变化及影响因素。
Objective To assess the accuracy of real-time three-dimensional echocardiography (RT-3DE) for measuring left ventricular volume and ejection fraction.
目的评价实时三维超声心动图(RT 3de)测量左心室容量与射血分数的准确性。
Objective To assess the accuracy of real-time three-dimensional echocardiography (RT-3DE) for measuring left ventricular volume and ejection fraction.
目的评价实时三维超声心动图(RT 3de)测量左心室容量与射血分数的准确性。
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