RecruitingBehavioural interventionA Study Of Exercise In Patients With Spontaneous Coronary Artery Dissection And Fibromuscular DysplasiaThe purpose of this study is to assess the cardiopulmonary, hemodynamic, and symptom responses to acute bouts of varying intensity aerobic and resistance exercise in people with Spontaneous Coronary Artery Dissection (SCAD) and/or Fibromuscular Dysplasia (FMD).