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A member asked:
3 weeks ago i had extremely high d-dimer of 8330 ng/ml. 3 days later: 904. can i have had a pe or dvt without knowing and without sequelea?
4 doctors weighed in across 2 answers
No symptoms is good: The apparent lack of any symptoms of a pe or DVT is good news, and makes it very unlikely you had a significant pe or dvt. The d-dimer test is very sensitive to recent clotting of blood, but it is not specific. That means a high level can be caused by many things. Just drawing a patient's blood a couple of times has been know to raise the d-dimer above the normal range!
Answered 9/28/2016
5.1k views
High d-dimer: As dr. Accurso said, d-dimer levels are only helpful when you don't have a blood clot. If your d-dimer level is zero, you can rest assured that you don't have a clot. Otherwise all bets are off. D-dimer is an acute phase reactant, meaning that anything that causes inflammation can raise your d-dimer level. The good news, if your did have a clot with a d-dimer of 8330, it would have been big!
Answered 6/11/2013
5.1k views
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D-dimer has been elevated more than 10 times for over a year now. Im only 24. Its been as high as double the range. Never a DVT or PE. Cause?
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