Posibleng Mga Sanhi para sa Coffee Ground Emesis Esophagitis Thrombocytopenia Chronic Kidney Insufficiency Malalang Gastritis Ulcer sa Sikmura Duodenal Ulcer Pagdurugo ng Gastrointestinal Pagdurugo ng Upper Gastrointestinal Diaphragmatic Hernia Gastropathy Disseminated Intravascular Coagulation Esophageal Varices Malignant Gastric Neoplasm Peptic Ulcer Bleeding Diathesis Weil Disease Scurvy Nonsteroidal Antiinflammatory Drug Anticoagulant