Symptoms of SCAD can include: SCAD  Chest pain A rapid heartbeat or fluttery feeling in the chest Pain in the arms, shoulders, back or jaw Shortness of breath Sweating Unusual, extreme tiredness Nausea Dizziness 
symptoms scad can include: scad  chest pain rapid heartbeat fluttery feeling chest pain arms  shoulders  back jaw shortness breath sweating unusual  extreme tiredness nausea dizziness 
spontaneous coronary artery dissection