The average rhythm of heart beats showed obvious difference(P<0.05), but there was no difference in the cases with pleural fluid on the left side only (P>0.05).
其结果，抽液前后平均心率有显著性差异（P＜0．05），而单纯左侧胸腔积液平均心率变化无显著性差异（P＞0．05）；
The average rhythm of heart beats showed obvious difference(P<0.05), but there was no difference in the cases with pleural fluid on the left side only (P>0.05).
其结果，抽液前后平均心率有显著性差异（P＜0．05），而单纯左侧胸腔积液平均心率变化无显著性差异（P＞0．05）；
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