Deep venous thrombosis is a clot formation in the large veins of the extremities or pelvis. The disease can be diagnosed by doppler ultrasound.Predisposing Factors:
- Venous statis due to immobilization
- Incompetent venous valves in the lower extremities
- CHF
- Traumatic injury to the lower extremities
- Hypercoagulable states
- Obesity
- Indwelling venous catheters
- Homan's signs: tendernes on calf with passive foot dorsiflexion
- Pain, erythema and swelling unilateral lower extremities
- Initial anticoagulation with IV heparin or low-molecular-weight heparin, followed by PO walfarin for a total of 3-6 months
- IVC filter in patient with contraindication to anticoagulation
- Hospitalized patients: DVT prophylaxis consisting of rapid mobilization, antithromboembolic stockings, leg exercises, and SQ heparin
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