@joann2022, You'll see I slightly tweaked your title to attract other members with similar problems

Here are a couple of links that you might want to look at.
https://pubmed.ncbi.nlm.nih.gov/16087103/
"Resting heart rate increased after ablation - The ablation success significantly correlated with the increase in HR at one month follow-up. In three patients the mean HR increased > 25 bpm resulting in symptoms necessitating therapy with rate-controlling drugs."
Increased resting heart rate following radiofrequency catheter ablation for atrial fibrillation: https://academic.oup.com/europace/article/7/5/415/427352

Have you discussed this with your doctor yet? How long has this been going on?