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4T Score Calculator
Assess clinical probability of Heparin-Induced Thrombocytopenia (HIT)
Clinical Scoring Rule: The 4T score evaluates Thrombocytopenia, Timing of platelet fall, Thrombosis or other sequelae, and Other causes of thrombocytopenia. Total score ranges from 0 to 8 points (Low probability: 0–3, Intermediate: 4–5, High: 6–8). Select options below.
4T's Clinical Parameters Input
Calculation Results
⚠️ Not medical advice. For educational and clinical decision support only. Always consult hematology guidelines and clinical specialists for patient management.