Title: Hemorrhagic Pericardial Effusion and Gastrointestinal Bleed After Atrial Fibrillation Epicardial Ablation: A Case ReportAuthor:Kairui Sun, DO, Michigan State University College of Osteopathic MedicineCorresponding Author:Kairui Sun965 Wilson Rd.East Lansing, MI 48824Email: sunkairu@msu.eduPhone: (517)402-0673Fax: (517) 432-2125Keywords: Hemorrhagic pericardial effusion, gastrointestinal bleeding, atrial fibrillation, epicardial ablation, case report