@marsims, that is the single best thing you can do...learn as much as you can about what you've been diagnosed with. We have to be educated so we can be our own best advocates when it comes to treatment, medication, exercise, diet, life in general. I admire your attitude. Faith is powerful. It is having confidence in what we hope for and assurance for what we do not see. (Hebrews 11:1)
It must be unsettling to say the least worrying about if/when you may have a heart attack! That would make anyone anxious! When do you see your doctor next? Maybe that would be a good opportunity to ask for a second opinion? The Mayo Clinic is a world leader in complicated cases. Are you near a Center of Excellence (COE) like the Mayo?