The cardiovascular disorders interfere with the emptying of the left ventricle . 心血管病人造成左心室郁血。
2.
As the veins of the legs can get compressed and cause stasis . dvt is known to occur in passengers on long - distance road or rail journeys as well as those by air 因为旅客在乘坐飞机或火车作长途旅行时,时常会保持坐着的姿势而使腿部的血管受压产生郁血,