A member asked:

Leg pain d dimer negative at 178 cut off 250 but previous d dimer two weeks ago was 73 scared of dvt?

12 doctors weighed in across 5 answers
Dr. Rebecca Gliksman answered

Specializes in Internal Medicine

D-dimer: If d-dimer is below the cut off,it obviates the possibility of DVT. There is variation in numbers, based on whether you had a small bruise,minor cuts, reflux/gastritis( a source of elevated d-dimer as well), rheumatoid factor, liver disease ,pregnancy , rarely malignancy. An ovefilled tube would also increase th d-dimer,Would not worry

Answered 8/28/2015

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DVT: IF you have calf pain you should get a venus duppler of your leg. That way you can rule out a DVT.

Answered 8/28/2015

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Dr. Thomas Wright answered

Specializes in Phlebology

DVT is unlikely: DVT is unlikely. Need more info to be specific.

Answered 8/28/2015

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Would look elsewhere: D dimer is very sensitive 'there are many causes of leg pain a venous ultrasound is the best test to be sure

Answered 8/28/2015

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Dr. John Landi answered

Specializes in Phlebology

D-DIMER not specific: D-dimer is significant when it is negative since it excludes clot formation. A positive d-dimer, however, is not diagnostic of a clot since it can be positive for other reasons. In a low risk patient with a negative d-dimer, the chances of a DVT are very low.

Answered 8/28/2015

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