Venous Thromboembolism (VTE) is formation of blood clot in the vein. It includes both Deep Vein Thrombosis (DVT) and Pulmonary Embolism (PE). When a clot forms in a deep vein, usually in the leg, it is called a deep vein thrombosis. If that clot breaks loose and travels to the lungs, it is called pulmonary embolism. Long term complications of venous thromboembolism include chronic thromboembolic pulmonary hypertension (CTPH) and the post-thrombotic syndrome (PTS). ... Read more