Clinical Reference Only. For use by trained cath lab personnel. Always follow local protocols and consult senior clinicians before making clinical decisions.
ACT Interpretation
ACT Target Ranges
UFH alone250–350 sec
UFH + GPIIb/IIIa200–250 sec
Bivalirudin300–350 sec
Sub-therapeutic (<200)Needs re-dosing
Heparin Dosing Calculator
< 50 kg4,000 U800 U/hr
50–60 kg5,000 U900 U/hr
60–70 kg6,000 U1,000 U/hr
70–80 kg7,000 U1,100 U/hr
80–90 kg8,000 U1,200 U/hr
90–100 kg9,000 U1,300 U/hr
> 100 kg10,000 U (max)1,400 U/hr (max)