分流量大者可出现左室容量负荷过重，左房、左室扩大。

High level shunt may lead to over-load volume, subsequently the expansion of left ventricle.

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分流量大者可出现左室容量负荷过重，左房、左室扩大。

High level shunt may lead to over-load volume, subsequently the expansion of left ventricle.

youdao