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A member asked:
Can you tell me in january, they done just a ct scan on my lungs and showed nothing and sent me home. i had accurate is the d-dimer for clots?
A doctor has provided 1 answer
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 angiogram is close to the gold standard for determining whether there are clots in lungs. Regardless of what the d dimer showed, if the CT was negative and they used contrast for the CT then you are in the clear.
Answered 3/12/2020
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