房颤时左房内可见明显异常的血流淤滞，在超声下有自发的异常显影；

Abnormal changes in flow are evident by stasis in the left atrium, and seen as spontaneous echocontrast.

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结论加强围术期风险评估，凡存在高凝状态、静脉血流淤滞或血管损伤，都应做相关检查确诊。

Conclusion Enhancing perioperative risk assessment, where there is hypercoagulable state, venous blood flow stasis or vascular damage, should be relevant to confirm the diagnosis.

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血流淤滞：由于血管扩张、炎症渗出，使血流变慢，这有利于炎症介质和炎细胞聚集引起炎症刺激。

Vascular stasis: slowing of the blood in the bloodstream with vasodilation and fluid exudation to allow chemical mediators and inflammatory cells to collect and respond to the stimulus.

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实质和静脉改变(20%)：实质期胰腺轮廓内的对比剂浓度降低或不规则加深；静脉阻塞、血流淤滞(1.8%)。

Parenchymal and venous changes (20%) included an increased or irregular accumulation of contrast medium, obstruction or stasis of vein (1.8%).

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实质和静脉改变(20%)：实质期胰腺轮廓内的对比剂浓度降低或不规则加深；静脉阻塞、血流淤滞(1.8%)。

Parenchymal and venous changes (20%) included an increased or irregular accumulation of contrast medium, obstruction or stasis of vein (1.8%).

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