1st April 2022

A 72-year-old woman is admitted to the Cardiology department with symptoms of atrial fibrillation

A 72-year-old woman is admitted to the Cardiology department with symptoms of atrial fibrillation (AF). After further investigation, you decide to prescribe warfarin as an anticoagulant medication. International normalised ratio (INR) testing is used to ensure the right dosage.

What is the target INR for the majority of patients receiving treatment for AF? 

Select the SINGLE most appropriate option from the list below. Select ONE option only.