A member asked:
Went to the doctors for fast heart rate yesterday, they did blood tests and it showed my d dimer was 1.50 so they did ct scan for blood clots and the results were negative for blood clots. what else can cause d dimer to be high?
2 doctors weighed in across 2 answers
D-dimer is more useful in excluding blood clots. A level of 1.5 may or may not be high depending on the reference range of the laboratory that did the test. There are many causes of elevated d-dimer, eg., inflammation, trauma, pregnancy etc. Talk to the doctor who ordered the test and knows more about your health! Wish you good health!
Answered 2/12/2022
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Would suggest trying to find out the source for your main symptom, tachycardia or fast heart rate. Your D -dimer was minimally elevated and a variety of inflammatory conditions, including more or less recent infections can cause such changes. Follow up will be needed with your primary care doc that can clarify and prioritize.
Answered 2/12/2022
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