Original ArticlesGastrointestinal Emergencies in the ICURao, Sheldon MD; Baltaji, Stephanie MD; Crow, Kyle BSN, RN; DiSilvio, Briana MD; Cheema, Tariq MD, FCCP, MMM Author Information Division of Pulmonary and Critical Care Medicine, Allegheny Health Network Medicine Institute, Pittsburgh, Pennsylvania (Drs Rao, Baltaji, DiSilvio, and Cheema); and Department of Nursing, Allegheny General Hospital, Pittsburgh, Pennsylvania (Ms Crow). Correspondence: Briana DiSilvio, MD, Allegheny General Hospital, 320 E North Ave, South Tower, 7th Floor, Pittsburgh, PA 15212 ([email protected]). No conflicts of interests or sources of funding. Critical Care Nursing Quarterly: January/March 2023 - Volume 46 - Issue 1 - p 35-47 doi: 10.1097/CNQ.0000000000000436 Buy Metrics Abstract Gastrointestinal (GI) emergencies and disorders are among the most common reasons to be admitted to an intensive care unit (ICU). In addition, critically ill patients admitted to the ICU for non–GI-related diseases are frequently at risk of developing GI complications during their hospitalization. This article details the epidemiology/etiology, clinical presentation, diagnostic assessment, and management of the following GI emergencies: upper and lower GI bleed, acute pancreatitis, and ascending cholangitis. © 2023 Wolters Kluwer Health, Inc. All rights reserved.