| Moderate Recommendation | new 2023 |
|---|---|
| D-dimer testing to rule out CVT cannot be recommended and should therefore not be routinely performed. Only in selected cases (low clinical probability with only isolated headache, lack of neurological symptoms and symptom duration < 30 days), negative D-dimers have a sufficiently reliable negative predictive value to justify the omission of neuroimaging | |
| Strong Consensus 100% | |
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