The difference between lower limb arterial embolism and venous embolism: 1. The symptoms of the two are different. Arterial embolism of the lower limb will cause coldness, numbness, pain and difficulty in movement of the lower limb, and the limb will appear cyanotic or pale with obvious ischemia, while the main symptom of venous embolism is sudden swelling of the lower limb, which is often accompanied by bruising of the skin color, but the temperature will generally rise. The difference between arterial embolism and venous embolism is that the consequences are different, arterial embolism can cause necrosis of the lower limb and lead to amputation, while the main symptom of venous embolism of the lower limb is swelling of the lower limb for a long time without relief, and after a longer period of time there may be tortuous and dilated veins of the lower limb, and the skin color may change. The main symptoms of lower extremity vein embolism are swelling of lower extremity for a long time without relief, and after a longer period of time, there may be a change in the color of the skin and even ulcers.