Heparin Induced Thrombocytopenia (HIT) - 4T Score The 4T score is useful to establish pre-test probability of HIT 0 to 3 points: Low probability (risk of HIT <1 percent) 4 to 5 points: Intermediate probability (risk of HIT ~10%) 6 to 8 points: High probability (risk of HIT ~50%) #Diagnosis #HIT #4TScore #Heparin #Induced #Thrombocytopenia
