A 61-year-old woman has new AF for 4 days. She is hemodynamically stable. What is the safest cardioversion strategy today?ATransesophageal echo to exclude thrombus, then cardiovert with periprocedural anticoagulationBImmediate electrical cardioversion without imaging or anticoagulationCStart aspirin and schedule cardioversion in 1 weekDNo cardioversion; start rate control onlyECardioversion now followed by no anticoagulation if sinus rhythm resumesCheck my answer