Abstract
DVT is a potentially serious disease and can serve as a marker for PE, an entity with even higher morbidity. Thus, it is critically important that emergency physicians consider this diagnosis in patients who present with suspicious symptoms. Recognition of alternative conditions, such as compartment syndrome, septic arthritis, and cellulitis, is also important for optimal care. Because physical examination is only 30% accurate for DVT, it serves to increase clinical suspicion in patients at risk but cannot be used to eliminate the possibility of thromboembolic disease. Because of this limitation, the diagnosis of DVT should be pursued using adjunctive testing in any patient with unexplained limb pain or swelling. Duplex sonography is currently the initial diagnostic study of choice for evaluation of DVT and, if test results are negative, it should be repeated serially if the clinical suspicion is high.
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