Acute Gastrointestinal Bleeding (Upper)

Overview


Plain-Language Overview

Acute Gastrointestinal Bleeding (Upper) refers to sudden bleeding that occurs in the upper part of the digestive system, which includes the esophagus, stomach, and the first part of the small intestine. This condition can cause symptoms such as vomiting blood or passing black, tarry stools, which indicate bleeding inside the body. The bleeding happens when blood vessels in these areas are damaged, often due to ulcers or tears. It affects the digestive system and can lead to serious health problems like anemia or shock if the blood loss is severe. Prompt medical evaluation is important to identify the source and severity of the bleeding. The condition can be life-threatening if not treated quickly. Understanding the signs of bleeding helps in seeking timely care.

Clinical Definition

Acute Gastrointestinal Bleeding (Upper) is defined as hemorrhage originating proximal to the ligament of Treitz, involving the esophagus, stomach, or duodenum. The core pathology involves disruption of the mucosal integrity leading to bleeding, commonly caused by peptic ulcer disease, esophageal varices, or Mallory-Weiss tears. This bleeding can result in significant blood loss, causing hemodynamic instability and requiring urgent intervention. The condition is clinically significant due to its potential for rapid deterioration and high morbidity and mortality if untreated. Diagnosis often involves identifying the bleeding source via esophagogastroduodenoscopy (EGD). Management focuses on stabilizing the patient and controlling the hemorrhage. Risk factors include NSAID use, Helicobacter pylori infection, and chronic liver disease.

Inciting Event

Locked content

Latency Period

Locked content

Diagnostic Delay

Locked content

Clinical Presentation


Signs & Symptoms

Locked content

History of Present Illness

Locked content

Past Medical History

Locked content

Family History

Locked content

Physical Exam Findings

Locked content

Diagnostic Workup


Diagnostic Criteria

Locked content

Pathophysiology


Key Mechanisms

Locked content

Organs

Locked content

Tissues

Locked content

Cells

Locked content

Chemical Mediators

Locked content

Treatments


Pharmacological Treatments

Locked content

Non-pharmacological Treatments

Locked content

Prevention


Pharmacological Prevention

Locked content

Non-pharmacological Prevention

Locked content

Outcome & Complications


Complications

Locked content

Short-term Sequelae

Locked content

Long-term Sequelae

Locked content

Differential Diagnoses


Differentials

Locked content

Medical Disclaimer: The content on this site is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. If you think you may be experiencing a medical emergency, call 911 or your local emergency number immediately. Always consult a licensed healthcare professional with questions about a medical condition.

Artificial Intelligence Use: Portions of this site’s content were generated or assisted by AI and reviewed by Erik Romano, MD; however, errors or omissions may occur.

USMLE® is a registered trademark of the Federation of State Medical Boards (FSMB) and the National Board of Medical Examiners (NBME). Doctogenic and Roscoe & Romano are not affiliated with, sponsored by, or endorsed by the USMLE, FSMB, or NBME. Neither FSMB nor NBME has reviewed or approved this content. "USMLE Step 1" and "USMLE Step 2 CK" are used only to identify the relevant examinations.