It is most dangerous in cases where blood clots travel through the body to the lung, blocking blood flow.
最危险的情况是血块在身体里运行到肺，堵塞血流。
By blocking the blocker-to football fans, adding an extra guard to your offensive line-the scientists got nitric oxide to open blood vessels again and increase blood flow, at least in lab animals.
通过阻塞这个障碍物，(对球迷来说，就是在你的进攻线上增加一个额外的防守)，科学家们用一氧化氮重新疏通了血管，并促进了血液流动。至少在实验室动物身上是如此。
Results In the 8 cases who were managed by blocking whole liver blood flow, 1 case died due to grievous compound injury and 7 cases were cured.
结果8例合并肝静脉和（或）下腔静脉损伤的严重肝外伤病人，均采用全肝血流阻断处理，除1例合并其他损伤死亡外，其余均治愈。
Methods The pathologic structures of carotid atherosclerosis and the severity of blood flow-blocking were evaluated in 86 elderly patients with HP8500 color Doppler ultrasonic diagnosis system.
方法采用HP85 0 0型彩色多普勒超声诊断仪检测86例老年人颈动脉粥样硬化病变结构和血流受阻程度。
Methods The pathologic structures of carotid atherosclerosis and the severity of blood flow-blocking were evaluated in 86 elderly patients with HP8500 color Doppler ultrasonic diagnosis system.
方法采用HP85 0 0型彩色多普勒超声诊断仪检测86例老年人颈动脉粥样硬化病变结构和血流受阻程度。
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