This test may be useful if your risk of getting a blood clot is low otherwise, you need to take further tests. But, it does not indicate the exact location of the blood clot. ConclusionĪ D dimer test is useful to know whether or not you have a serious blood clot. Since D dimer has a poor specificity, this is only done as an adjunct test, and it should not be used to confirm a diagnosis. The test was repeated after three days and the new D-dimer result was greater than 11,000 ng/mL FEUs. The girl was in apparent good health, but the surgeon postponed surgery.
All lab results were normal except her D-dimer result, which was greater than 20,000 ng/mL FEUs. Your healthcare provider will require further testing to have a more definite diagnosis. A 4 month old girl was being prepped for surgery for a neural tube defect. Besides, you don’t need to perform this test. If the risk of an individual to pulmonary embolism is high, a D dimer test is not useful. Individuals who have just gotten a recent surgery, infection, heart attack, trauma, or some cancers may normally have elevated levels of D dimer. This is because other factors can contribute to an increased level of D dimer. On the other hand, elevated levels of D dimer do not necessarily mean the presence of a blood clot. How Accurate is A D Dimer Blood Test?Ī negative or normal result in a D dimer test is considered as accurate by health practitioners for those individuals who are at low or moderate risk for thrombosis or blood clots. If the result is very elevated, then it may be disseminated intravascular coagulation (DIC). This test, however, does not tell which part of the body has a blood clot or what the cause of the same is.Ī positive D dimer result may be due to venous thromboembolism (VTE). High levels of fibrin degradation products may be an indication that a blood clot may be formed or broken down in your body. D Dimer Range For DVTĪ positive result means that you have abnormal levels of D dimer in your body. A negative ddimer result is an indication that these diseases can be ruled out with high. The Roche CARDIAC DDimer test serves as an aid when deep venous thrombosis and pulmonary embolism is suspected. A negative or normal result may mean that a person is not suffering from a serious condition that causes clot formation. Quantitative immunological test for the detection of ddimer in heparinised venous blood for use with the cobas h 232 instrument. The D dimer level is negative if it is below the reference value mentioned above.
If the D dimer result is negative, it means normal.
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