Question

A 68-year-old man with heart failure (EF 30%) and chronic atrial fibrillation is on warfarin with stable INR 2.3. He asks whether he can stop anticoagulation if his symptoms improve. According to stroke prevention principles, what is the most appropriate advice?

Accepted Answer

Anticoagulation should continue long-term because AF and LV dysfunction confer persistent stroke risk

Answer

Anticoagulation can be stopped when heart failure symptoms improve

Answer

Switch to aspirin alone when symptoms improve

Answer

Lower target INR to 1.5-2.0

Answer

Stop warfarin and use no antithrombotic therapy

Practice question

A 68-year-old man with heart failure (EF 30%) and chronic atrial fibrillation is on warfarin with stable INR 2.3. He asks whether he can stop anticoagulation if his symptoms improve. According to stroke prevention principles, what is the most appropriate advice?