Venous thromboembolism is an important medical problem, withan estimated incidence in the United States of 100,000 to 300,000cases per year. Of patients presenting with symptoms suggestiveof deep venous thrombosis, only 30 percent actually have thedisorder. In the emergency department, where medical decisionsmust be made rapidly, the ability to identify, safely and accurately,the 70 percent of patients with symptoms who do not have deepvenous thrombosis and likewise to identify those who do havethe disorder is critical. Recent studies of the clinical diagnosisof deep venous thrombosis have shown that when risk factorsand . . . [Full Text of this Article]
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From the Department of Internal Medicine, Division of HematologyOncology, University of Michigan Medical Center, Ann Arbor.
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