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D-dimer
From WikEM
Contents
Differential Diagnosis
- Factors that can cause false-negative D-dimer
- Factors that can cause false-positive D-dimer
Evaluation
- Traditional cutoff value = 500
- Age-adjusted (for over 50 years old) = age x 10
- Maintains high sensitivity while increasing specificity[1]
See Also
External Links
External Links
References
- ↑ Sharp AL, et al. An Age-Adjusted D-dimer Threshold for Emergency Department Patients with Suspected Pulmonary Embolus: Accuracy and Clinical Implications. Feb 2016. Annals of EM. 67(2);249-257.
