Thank You. I. Am 74 Year Old Female In Very

Thank you. I. am 74 year old female in very good condition. I do have a myocardial bridge diagnosed 9 years ago. I frequently have shortness of breathe and fatigue and beginning to feel like an invalid between periods of feeling well. I have a pretty busy life but having trouble with the intermittent breathing. if it is found out that I have a blockage in the LAD that tunnels what do you generally recommend?