Left atrial diameter (LAD) and ejection fraction (ef) of each group were measured by echocardiography respectively.

同时应用心脏超声测量各组病人左心房内径以及左心室射血分数。

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Left atrial diameter (LAD) and ejection fraction (ef) of each group were measured by echocardiography respectively.

同时应用心脏超声测量各组病人左心房内径以及左心室射血分数。

youdao