I Have Mild Tricuspid R For Many Years On Toperol

I have mild tricuspid r for many years on Toperol 50 once a day and Xanax. I'm
Even on the combo patch thought it was hormones. Patch helped for a
While now they are back. What can I do? They give me panic attacks. They are taking over my life. I get one and then panic sets in then get many more. Just been to doctor and she says heart sounds good. Any suggestions so I can lead a normal life. Is there a better medication.