Venous disorders of the lower extremity may be divided hemodynamically into 2 groups: blood reflux and blockage of venous return.
下肢静脉疾病按血流动力学变化，可分为血液倒流和回流障碍两大类。
2
Conclusion Floating catheterization is of substantial value for guiding the clinical treatment of hemodynamically-instable acute heart failure patients.