heart and blood vessel disorders
Deep Vein Thrombosis (DVT)
Causes of Deep Vein Thrombosis
Three main factors can contribute to deep vein thrombosis: Injury to the vein’s lining An increased tendency for blood to clot Slowing of blood flow Veins may be damaged during surgery or during an injury to an arm or leg, by the injection of irritating substances, by inflammation, or by certain disorders, such as Thromboangiitis Obliterans . They may also be injured by a clot, making formation of a second clot more likely. Some disorders, such as cancer and certain inherited Overview of Blood Clotting Disorders , cause blood to clot when it should not. Some medications, including oral contraceptives, During prolonged bed rest and other occasions when the legs are not moving normally, blood flow slows because the person is lying down and the calf muscles are not contracting and squeezing the blood toward the heart. For example, deep vein thrombosis may develop in people who have had a Acute Coronary Syndromes (Heart Attack; Myocardial Infarction; Unstable Angina) or other serious disorder (such as Although uncommon, thrombosis can occur in healthy people who sit for long periods, such as during long drives or flights. 