多普勒彩色超声心动图对于PHT是最有效的非创伤性检测方法。
Doppler echocardiography is the most effective noninvasive method in detecting PHT.
研究二尖瓣腱索破裂（RMCT）的彩色多普勒超声心动图特征。
Study the characteristics of the color Doppler echocardiography of ruptured mitral chordae tendineae (RMCT).
目的探讨彩色多普勒超声心动图评价新生儿心脏杂音的价值。
Objective To study the value of color echocardiography for appraisement of neonatal heart murmurs.
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