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D dimer

A 55-year-old member asked:
Dr. Lester Thompson
32 years experience in Pathology
Thrombosis: The d-dimer is a fibrin degradation product (or fdp) which represents a small protein fragment in blood after a blood clot is broken down. The value c ... Read More
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A 35-year-old male asked:
Dr. John Fung
Dr. John Fung answered
38 years experience in General Surgery
Clotting disorders: D-dimer is a small protein fragment present in the blood after a blood clot is broken down by the naturally occurring process of clot breakdown, calle ... Read More
A 53-year-old member asked:
Dr. Ted King
Dr. Ted King answered
39 years experience in Phlebology
Efficacy of d-dimer: That is actually a hard question to answer. There are different testing methods and some d-dimer tests are more reliable than others. If you have a ... Read More
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A 39-year-old female asked:
Dr. Lewis Hassell
38 years experience in Pathology
Reference Ranges: The answer depends on the units and the reference range in use. Labs are expected to establish the reference range of normal expected values for the p ... Read More
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A 32-year-old female asked:
Dr. Kenneth Merriman
46 years experience in Orthopedic Surgery
Sorry : Sorry but I do not understand what you are asking please try again.
A 31-year-old member asked:
Dr. Chris Oh
Dr. Chris Oh answered
20 years experience in Internal Medicine
Take supplements: A simple blood test can tell you if you are deficient. If severe i recommend 50k units weekly, if not 1000-4000u daily.
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A 29-year-old female asked:
Dr. Rebecca Gliksman
37 years experience in Internal Medicine
D-dimer : YES. In rare cases if you have factor XIII deficiency, or the tube was incorrectly filled ,if it is more then 10 days since the event, or use of antic ... Read More
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A 38-year-old member asked:
Dr. Ted King
Dr. Ted King answered
39 years experience in Phlebology
High d-dimer: High d-dimer results can occur because of essentially inflammatory process. Besides blood clots, high results can be due to various causes: liver dis ... Read More
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A 29-year-old female asked:
Dr. Steven Warren
8 years experience in Family Medicine
Not necessary: you still could have a DVT but probably do not have one It is used with other tests to rulle in or rule out a DVT or PE If you have worries please b ... Read More
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A 29-year-old female asked:
Dr. Thomas Mcgowan
Specializes in Family Medicine
Unlikely: If the d dimer test is negative three times, highly unlikely to miss a clot. An ultrasound could help if you and your doctor are still debating the i ... Read More
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A 29-year-old female asked:
Dr. Rashmee Patil
8 years experience in Internal Medicine
D-dimer: D-dimer is a blood test used to help detect clots in your body or those that have embolized to your lungs. Physicians use d-dimer if they think that ... Read More
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A 36-year-old female asked:
Dr. Klaus d Lessnau
35 years experience in Pulmonary Critical Care
Sounds like: you need a CT scan of the chest and a bronchoscopy. You certainly want to visit your lung specialist. No reason to wait. Good luck and all the bes ... Read More
A 46-year-old female asked:
Dr. John Chiu
Dr. John Chiu answered
56 years experience in Allergy and Immunology
Low normal: These are within normal limits but whether you need to boost the vit D3 level higher is another issue. I personally would like the 25OH vit D3 level ... Read More
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A 38-year-old member asked:
Dr. James Stone
16 years experience in Interventional Radiology
Not accurate : A negative d dimer is helpful for ruling out pulmonary clots. A positive d dimer is basically useless as it can occur from a variety of reasons. A CT ... Read More
A 29-year-old female asked:
Dr. James Okamoto
28 years experience in Family Medicine
Pretty safe!: The D-dimer test is a fairly accurate (95%) way to screen for blood clots, so if two tests are negative I would be pretty relieved. Sometimes if the ... Read More
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A 49-year-old member asked:
Dr. Ted King
Dr. Ted King answered
39 years experience in Phlebology
Non specific test: I would put more stock in the negative radiology findings. A d-dimer that is slightly elevated is so non-specific that it is really not at all helpfu ... Read More
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A 29-year-old female asked:
Dr. Vahe Yetimyan
50 years experience in General Practice
It depends to your: symptoms and other lab. findings. Sometimes spiral ct scan and pulmonary angiogram is necessary to rule out a pulmonary embolism.
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A 33-year-old female asked:
Dr. Carlo Hatem
24 years experience in Pulmonary Critical Care
More tests: More tests needed to check for lupus and other rheumatologic conditions.
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A 46-year-old female asked:
Dr. Ronald Krauser
51 years experience in Rheumatology
See details: Vitamin D level is low normal and not related to your complaints.
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A 29-year-old female asked:
Dr. Stephen Southard
14 years experience in Internal Medicine
Pretty specific test: As in from a statistics perspective, if this test is negative is good for excluding the disease, in this case thromboembolic disease like from a pulmo ... Read More
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A 29-year-old female asked:
Dr. Alvaro Aranda
34 years experience in Pulmonology
Likely: d dimer alone is not diagnostic & has false positives
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A female asked:
Dr. Yash Khanna
56 years experience in Family Medicine
Vit D Deficiency: The level of 25 HydroxyVitD level is low.Normal is above 30.Any level below 30 is considered low.You need to be treated with high doses of VitD by Pre ... Read More
A 32-year-old female asked:
Dr. Jon Ahrendsen
38 years experience in Family Medicine
Confusing: Many conditions can cause a false positive D-Dimer. Even having a blood test draw a couple days before. The better value of a D-Dimer is when it is n ... Read More
A 29-year-old female asked:
Dr. Jovita Anyanwu
29 years experience in Internal Medicine
If you: have pulmonary embolism usually EKG, oxygenation and D dimers are abnormal
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A 55-year-old member asked:
Dr. Andrew Lipton
29 years experience in Holistic Medicine
Vitamin D: Vit d does not thin blood, but has many functions through out the body.
A 43-year-old female asked:
Dr. Neil Lall
Dr. Neil Lall answered
11 years experience in Radiology
Likely: A normal d dimer makes clots in legs highly unlikely though not completely impossible. Your individual risk factors for getting a blood clot are still ... Read More
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A 40-year-old female asked:
Dr. Tanya Russo
24 years experience in Pediatrics
Endocrinology: Depending on your area specialists, and endocrinologist or gastroenterologist would be the types of physicians you would best consult. Best wishes.
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A 24-year-old male asked:
Dr. George Mathew
57 years experience in Cardiology
Yes: Many cardiac conditions can be aggravated by vit d deficiency!
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A 56-year-old member asked:
Dr. Lester Thompson
32 years experience in Pathology
Perhaps: The d-dimer is a fibrin degradation product (or fdp) which represents a small protein fragment in blood after a blood clot is broken down. The value c ... Read More
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A 33-year-old female asked:
Dr. Ed Friedlander
43 years experience in Pathology
Heart muscle disease: Instead of atherosclerosis, I am much more concerned about the possibility of amyloidosis, endocardial fibrosis or some other illness producing a rest ... Read More
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A 68-year-old female asked:
Dr. Charles Glassman
35 years experience in Internal Medicine
Swollen Thigh: Mri or ct scan of the pelvis and thigh.
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A 31-year-old female asked:
Dr. Farbod Farmand
12 years experience in Internal Medicine
Cyst: This is very likely a benign cyst which is a collection of fluid or solid material. If it does not hurts or change in size i would just keep an eye on ... Read More
A 39-year-old member asked:
Dr. David Orringer
19 years experience in General Surgery
No: D-dimer is a blood marker that often tells us about blood clotting. An aneurysm is an area of turbulent flow of blood, or a ballooning of the vessel ... Read More
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A 44-year-old female asked:
Dr. Gurmukh Singh
48 years experience in Pathology
Inflammation: D-dimer is more useful when negative, as a negative test more or less rules out thrombo-embolism. There are many causes for elevated d-dimer, includin ... Read More
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A 38-year-old member asked:
Dr. Tanya Russo
24 years experience in Pediatrics
D-dimer: D-dimer is tested in the blood when there is a concern for a blood clot. As blood clots in the body begin to breakdown, certain proteins are released ... Read More
A 37-year-old female asked:
Dr. Gregory Tichenor
31 years experience in Emergency Medicine
Maybe: Unfortunately, the answer depends on the specific method used by that particular laboratory. There are several brands of d-dimer tests and each lab h ... Read More
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A 45-year-old member asked:
Dr. Lawrence Presant
40 years experience in Phlebology
Clots coming ; going: D-dimer is increased with breakdown of clots to crosslinked fibrin. Fibrinogen forms fibrin whose fibers become crosslinked to form a clot. So high fi ... Read More
A 27-year-old male asked:
Dr. Dennis Clifford
42 years experience in Pulmonary Critical Care
Not sure: Thrombophlebitis usually doesn't cause weakness. However, you should have an exam to determine the cause of your symptoms. Clots are less common in yo ... Read More

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