I am a nurse on a cardiac and floor and take care of several pts with irregular heart rhythms, usually a-fib. The ablation is usually saved as the last intervention after heart rate control meds have failed as well as anti-arrhythmics. Or if the a-fib is severely symptomatic no matter what the heart rate is. There are different types of ablations as far as what area(s) the heart that are needed to be ablated. Usually an area of the atria (the top chambers of your heart) or an area within the pulmonary veins are the culprit in producing the irregular heart beat and need to be ablated. If you already have a pacemaker, they could do a A-V node ablation, but that’s a whole different story. The procedure involves inserting a catheter(s) through the femoral vein and artery located in the groin. You are given some sedation and pain meds during the procedure but you are awake enough that you can still answer questions during the procedure. The procedure itself generally has minor discomfort, usually being a pressure sensation in the groin where the catheters are inserted. The length of the procedure depends on heart rhythm. If its a-fib, I’ve seen tests go up to 5 hrs, but they are usually around 2-3 hrs on average. If its a-flutter, it’s usually a quick 1-2 hrs procedure. (Remember these are the usual times I see, but every pts procedure is unique). After the procedure the worst thing is having to endure bed rest for up to 4-5 hrs depending on the size of catheters they had to use. The femoral vein/arteries are big blood vessels and you don’t want to spring a leak from them with getting up too early. The best thing you can do is make sure you ask your Dr. all and any questions you have. It is the Dr responsibility to share with you all the potential complications and risk factors. As well as success rates. I hope this helped you out a little bit and isn’t too wordy as I just kept rambling on. Good luck with the procedure! 