Objective To explore the diagnostic value of two dimensional echocardiography color Dopper flow imaging ( CDFI ) in breast masses.

目的探讨二维及彩色 多普勒 超声对乳腺肿块的诊断价值.

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Conclusion: NTHI two - dimensional echocardiography can provide accurate estimation of left ventricular systolic function.

结论: 超声NTHI技术能准确可靠测定左室容量和射血分数,为评价左室收缩功能提供简便易行的方法.

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Pulmonary stenosis should be detected by combination of two - dimensional echocardiography, color Doppler imaging and spectral Doppler.

肺动脉瓣狭窄应采用二维超声心动图 、 彩色多普勒血流图及频谱多普勒联合检测.

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Objective To observe normal citizen's LA's internal diameter and volume by two dimensional echocardiography.

目的用二维超声研究正常人左心房内径、容量.

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