Yongmei, Cha M.D.Attending and Clinical ProfessorCardiology Internal Medicine Education: Shanghai, Second Military Med UniversityMain Office:507-284-2511 Mayo Clinic - Minnesota 200 1st St Rochester, MN 55905 Clinic Intersts:atrial fibrillation heart arrhythmia, sudden cardiac arrest, ventricular arrhythmia.Certification:Board Certified in Cardiovascular Disease, Internal Medicine