Went to er for chest pain. ddimer was elevated. ct of chest ruled out blood clot. didn't scan legs. what causes elevated d dimer if no clot?

Need to be followed.: May need leg vein Doppler ultrasound. Follow up with your primary care physician. Search vascular ultrasound at radiologyinfo.org.

Several things: Significant positive predictors of D-dimer positive included female sex; over age; black race; cocaine use; general, limb, or neurologic immobility; hemoptysis; hemodialysis; active malignancy; rheumatoid arthritis; lupus; sickle cell disease; prior venous thromboembolism pregnancy and postpartum state. CT angiography accurate for detecting pulm. embolism.