...测定射血分数(EF%)、平均肺动脉压(mPAP)、吸气相上腔静脉最大前向血流速度(VINS)、呼气相肺活量最大前向血流速度(VEXP)和VINS/VEXP比值。
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双向血流速度计 bidirectional blood velocity meter
向血流速度
Directional flow velocity
以上为机器翻译结果,长、整句建议使用 人工翻译 。
结果:正常情况下,动脉血管内血流形式为层流,每层间血流速度不同,中心处血流速度最快,越向管壁处血流速度越慢。
Results: the blood flow in the normal vessels were laminar flow, the velocities were different in every stratum, the velocities were the fastest in the center and slow down towards the vessel wall.
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