ToDay diagnostic algorithm

^[1]

Procedure

excludes deep vein thrombosis (DVT) without further testing if:
- DVT is considered most likely & D-dimer < 500 ng/mL
- DVT is not considered most likely & D-dimer < age-adjusted threshold*

↑ ^1.0 ^1.1 Sharma S, Soon L, de Wit K, et al. Validation of the ToDay, a simplified diagnostic algorithm for deep vein thrombosis. J Thromb Haemost. 2025 Jul 16:S1538-7836(25)00418-0 PMID: https://pubmed.ncbi.nlm.nih.gov/40680941 Free article https://www.jthjournal.org/article/S1538-7836(25)00418-0/fulltext