At C.A.I., we focus on the entire cardiovascular system, including treating dilated veins. This can include varicosities, spider veins, deep vein thrombosis and venous stasis ulcers. Varicose veins are enlarged, swollen and twisting veins, that often appear blue or dark purple. They occur when faulty valves in the veins allow blood to flow in the wrong direction or to pool. The associated symptoms are resting pain, swelling that gets worse through the day or restless leg. The treatment options can be medical therapy, compression, ablation and chemical treatment of the vein.