D-Dimer in Venous Thromboembolism

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Abstract
Venous thromboembolism is an important medical problem, with an estimated incidence in the United States of 100,000 to 300,000 cases per year. Of patients presenting with symptoms suggestive of deep venous thrombosis, only 30 percent actually have the disorder. In the emergency department, where medical decisions must be made rapidly, the ability to identify, safely and accurately, the 70 percent of patients with symptoms who do not have deep venous thrombosis and likewise to identify those who do have the disorder is critical. Recent studies of the clinical diagnosis of deep venous thrombosis have shown that when risk factors and . . .