Generally speaking, the younger you are, the better your recovery will be. You 14 years old, and you are still young to get married. In recent years, I have been treated with ACEI, spironolactone, betaloc, coenzyme Q 10 and trimetazidine. At the same time, we must live a regular life, go to bed early and get up early, don't smoke secondhand smoke, don't drink, and don't exercise vigorously. It will be fine in a few years. By then, premature beats will disappear by themselves. Even with premature beats, the success rate of RF is high.
The risks of radiofrequency ablation are all written in the surgical protocol. Go to the hospital and ask for one. The probability of risk occurrence is very low.