Table 4

Anticoagulation before diagnostic and surgical procedures (European Society of Cardiology2

INR
Left heart catheterisation (Sones)< 2.5
Left heart catheterisation (Judkins)< 1.8
Tooth extraction< 2.5
Minor surgical procedure< 2.0
Major surgical procedure< 1.5
Replace with heparin when INR:< 2.5 in high risk patients
Replace with heparin when INR:< 2.0 in average risk patients