左房室口
- 网络Ostium atrioventriculare sinistrum;left atrioventricular orifice
左房室口-
左房室口的面积约占前后瓣总面积的0.524±0.121。
The area of the orifice was about 0.524 ± 0.121 of that of the total valves .
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胎儿出生后左心室舒张期房室瓣口血流速度A／E比值明显下降，主动脉瓣口血流峰速明显增快；右心室房室瓣口血流及肺动脉瓣口血流速度无明显变化。
A / E ratio in mitral were obviously decreased and blood flow velocity of aortic valve were significantly increases in neonate .
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升高组左室舒张早期血流速度从左房室口至心尖逐渐降低，舒张期心内充盈离散E3及E3/E0比值与E0及E1/E0比值比较差异有统计学意义（P<0.05）。
The early diastolic flow velocity were progressively decreased from the tip toward the apex in elevated LVEDP patients . In early diastolic flow velocity , E3 and E3 / E0 ratio were progressively and significantly lower than E0 and E1 / E0 ratio ( P < 0.05 ) .