My husband has recently had 6 episodes of syncope in the last 6 weeks. He has had EKG, Nuclear Stress Test, PFT, holter monitering. EKG was sinus tach, Nuclear Stress Test normal, PFT showed severe/moderate. Holter monitering showed episodes of SVT and PVC. He has a strong history of CAD, father had CABG @47yrs old, mother has tach and PVC, what other tests do we need to do, he is still experiencing CP, palpitations, SOB. He doesn't drink, smoke, use drugs, no caffiene, no stress, or anxiety. He also has 65% mitral valve regurg/ 65% tricuspid , he has an appt in December to see a Cardiologist.