A 58-year-old develops atrial fibrillation of 4 days' duration. He is hemodynamically stable and rate controlled. What is an acceptable cardioversion strategy?AImmediate electrical cardioversion without anticoagulation or imagingBCardioversion now with ASA 325 mg pre‑treatmentCCardioversion guided by transesophageal echocardiography (TEE) to exclude atrial thrombus, with anticoagulation for ≥4 weeks afterDDelay cardioversion for 3 months then re-evaluateECardioversion only after 7 days of IV heparinCheck my answer