Stress test stated moderate to severe ischemia anterior/apical. heart cath says stress test false p,no blocks,but mild elevated edp/lbbb. ef 55%. doc says nothing to worry about no restirctions. y?

Yes and no: EF of 55% is normal. Your breathing issues are due to diastolic dysfunction, dys-synchrony, and (by inference as there are no direct tests) small vessel CAD. You're not at risk of a classical heart attack (MI). There are no restrictions. I would vigorously treat blood pressure with an ACE inhibitor, and urge you to use a statin regardless of cholesterol level, and take 81 mg of aspirin daily.