Inclusion Criteria:  ( - )MI ≥ 6 months before assessment ( - )Age 18-75 years endorsed cardiac anxiety that leads to significant distress or interferes with daily life (Cardiac Anxiety Questionnaire (CAQ); score ≥20) ( - ) On optimal medical treatment ( - )Able to read and write in Swedish.  Exclusion Criteria:  ( - ) heart failure with severe systolic dysfunction (ejection fraction ≤ 35%) ( - ) significant valvular disease ( - ) planned coronary artery bypass surgery or other invasive therapy ( - ) other severe medical illness ( - )any medical restriction to physical exercise ( - )severe psychiatric disorder, severe depression, or risk of suicide ( - )alcohol dependency