Question

A 65-year-old with chronic atrial fibrillation on warfarin experiences a TIA. Brain imaging shows no haemorrhage. The INR has been in therapeutic range. Which antithrombotic therapy change is recommended if TIA occurs despite stable INR?

Accepted Answer

Switch to DOAC (e.g. apixaban)

Answer

Dual antiplatelet therapy

Answer

Add aspirin to warfarin

Answer

Increase warfarin target INR to 3.5-4.0

Answer

Stop warfarin and use LMWH only

Practice question

A 65-year-old with chronic atrial fibrillation on warfarin experiences a TIA. Brain imaging shows no haemorrhage. The INR has been in therapeutic range. Which antithrombotic therapy change is recommended if TIA occurs despite stable INR?