RT Book, Section A1 Shah, Pari A2 Oropello, John M. A2 Pastores, Stephen M. A2 Kvetan, Vladimir SR Print(0) ID 1136415133 T1 Gastrointestinal Hemorrhage (Upper and Lower) T2 Critical Care YR 1 FD 1 PB McGraw-Hill Education PP New York, NY SN 9780071820813 LK accessanesthesiology.mhmedical.com/content.aspx?aid=1136415133 RD 2024/04/19 AB Gastrointestinal (GI) bleeding accounts for a significant number of hospitalizations every year with a median length of stay of 4 days and with greater than 30% of patients requiring intensive care unit (ICU) care.1 Early diagnosis of the cause and appropriate intervention can significantly reduce ICU and hospital stays and improve morbidity and mortality. This chapter focuses on a discussion of the differential diagnosis of upper and lower GI bleeding and management principles.