<prompt> Why is chemical cardioversion considered for patients of recurrent episodes of Atrial fibrillation?It does not change the rhythm but improves the rateIt prevents the formation of a clot in the atriumIt is more effective than electrical cardioversionIt can be done electively without sedation  <response>: Option A: No, it is wrong statement. Because chemical cardioversion changes controls the rhythm. Option B: To prevent formation of clot in atria primarily -Novel oral anti-clotting agentNOACs Rivaroxaban is used Option C: Electrical cardioversion is more superior than chemical cardioversion. Option D: Yes, chemical cardioversion can be done electively without sedation. 