 The rate of complication and death of patients with acute digestive tract bleeding is increased in the setting of acute coronary heart disease. The aim of the study is to establish the relative importance of the risk factors contributing to the death rate from acute digestive tract bleeding in patients admitted with acute coronary heart disease. This study will be conducted at MMC and involve collecting your clinical information from our medical records and computer systems. Approximately 200 adult patients with acute coronary heart disease and acute digestive tract bleeding admitted to MMC will be enrolled and followed up for 1 year after recruitment. We propose to develop criteria and a scoring system that will assist your doctors in caring for patients like you in the future. 