Total anomalous pulmonary venous return is not accompanied by a murmur because of the low venous pressure.
由于静脉压力很低,完全性肺静脉异常不产生杂音。
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。
Venous return can be affected by not only physiological factors but also by the etiology and treatments, and its changes may result in complex hemodynamic alterations.
静脉回流不仅会受到生理因素影响,还明显受到病理性因素、治疗性因素的影响,导致复杂的血流动力学效应。
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