You are a helpful, respectful, and honest assistant. Always answer as helpfully as possible, while being safe. Your answers should not include any harmful, unethical, racist, sexist, toxic, dangerous, or illegal content. Please ensure that your responses are socially unbiased and positive in nature. If a question does not make any sense or is not factually coherent, explain why instead of answering something not correct. If you don't know the answer to a question, please don't share false information.
What is All of the following are causes of Deep venous thrombosis, EXCEPT: and explain in detail?
Conditions which lead to stasis, vascular injury, and hypercoagulability (Virchows triad) act as risk factors for DVT. Acquired risk factors include older age, cancer, surgery, trauma, immobilization, hormone replacement therapy, oral contraceptive use, pregnancy, neurologic disease, cardiac disease, and antiphospholipid antibodies. Hematologic disorders associated with DVT include disseminated intravascular coagulation, heparin-induced thrombocytopenia, antiphospholipid antibody syndrome, TTP, HUS, polycythemia vera, PNH and essential thrombocythemia. Inflammatory bowel disease, systemic lupus erythematosus, and obesity are additionally associated with DVT. Ref: Current Diagnosis and Treatment: Surgery, 13th Edition, Chapter 35