Hematology Ā· Internal Medicine
4Ts Score for HIT calculator
Enter the published formula inputs below to calculate and interpret this score.
Clinical inputs
Result
Complete all required inputs to calculate the score.
Formula inputs
- Magnitude of thrombocytopenia
- Timing of platelet-count fall
- Thrombosis or other sequelae
- Other causes of thrombocytopenia
Primary source
Lo GK et al. Evaluation of pretest clinical score (4 T's) for the diagnosis of heparin-induced thrombocytopenia. J Thromb Haemost (2006)
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