Venous disorders are extremely common in clinical practice, and recent years have seen a number of changes in the treatment of these conditions. This book covers the advances in our understanding and the management of venous disorders both superficial and deep. It includes up-to-date reviews on the hemodynamics of venous circulation in the lower limbs, deep venous reflux, novel biomarkers in deep vein thrombosis, post thrombotic syndrome, infra-popliteal DVT, relevance of wave length in laser treatment of varicose veins, pelvic congestion syndrome, May-Thurner syndrome, nut cracker syndrome, endothermal heat-induced thrombosis, recurrent varicose veins, and venous trauma.