Question

A patient with AF of unknown duration (>48 hours) is hemodynamically stable and symptomatic. What is the safest cardioversion approach?

Accepted Answer

Therapeutic anticoagulation for ≥3 weeks or perform TEE-guided cardioversion with peri-procedural anticoagulation

Answer

Immediate electrical cardioversion without anticoagulation

Answer

Start IV heparin and cardiovert immediately regardless of duration

Answer

No cardioversion; rate control only

Answer

Aspirin then cardioversion

Practice question

A patient with AF of unknown duration (>48 hours) is hemodynamically stable and symptomatic. What is the safest cardioversion approach?