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A member asked:
Can a d dimer be accurate from initial er visit on the 9th no d dimer test to next er visit on the 13th, md ruled out pe. d dimer was normal. is a d dimer accurate in this time frame?
A doctor has provided 1 answer
Your statement is not clear. A negative D-dimer virtually rules out PE a the time of the test. Visit this site for info: https://www.nejm.org/doi/full/10.1056/NEJMoa1909159#:~:text=d%2DDimer%20is%20formed%20when,probability%20of%20having%20pulmonary%20embolism.
Answered 12/16/2022
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