Pathology: Blood or qi deficiency. This is seen in cases of deficiencies and failure of Qi and blood. It can also be seen in disharmonies of the even emotions, weakness in Yang Qi, internal damage to jing, and penetration of dampness.
Testing for venous blood clots. Venous blood clots may be detected in a variety of ways, though ultrasound is most commonly used. Occasionally, the patient's size and shape limit the ability for ultrasound to provide a definitive answer. Venography is an alternative test to look for a clot.
1 The pressure from the balloon and the stent breaks the blood clot into smaller pieces, restoring the flow of blood. 2  Catheter-directed thrombolysis. 3  A catheter-directed thrombolysis is a surgical procedure in which a catheter is inserted directly to the blood clot, releasing medication to dissolve it. 4  Thrombectomy.