medicinal and electro, both type of cardioversions do work. but question is how long these keep you in nsr and answer is vague. it may be very short, a few hrs and sometimes around an year. but gradually you will notice frequency of af episodes increasing. still you will have to follow the same course on and on. ablation is not a sure shot. somebody may get relief for long periods and others may find themselves not that lucky. only doctor can tell u about ur succes chances.
so u will have to fight and accomodate with af with the medicines and dc cardio version.