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美国卫生研究院文献>Cardiovascular Ultrasound
>Semi-automated quantification of left ventricular volumes and ejection fraction by real-time three-dimensional echocardiography
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Semi-automated quantification of left ventricular volumes and ejection fraction by real-time three-dimensional echocardiography
BackgroundRecent studies have shown that real-time three-dimensional (3D) echocardiography (RT3DE) gives more accurate and reproducible left ventricular (LV) volume and ejection fraction (EF) measurements than traditional two-dimensional methods. A new semi-automated tool (4DLVQ) for volume measurements in RT3DE has been developed. We sought to evaluate the accuracy and repeatability of this method compared to a 3D echo standard.
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