目的研究二尖瓣狭窄程度与左房充盈分数的关系。

Objective To study the relationship between the degree of mitral stenosis (MS) and atrial filling fraction (AFF).

youdao

冠心病组射血分数、峰值充盈率减少，峰值充盈时间延长。

The ejection fraction (EF) and peak filling rate (PFR) were decreased and the time of peak filling rate (TPFR) was prolonged.

youdao