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Related Concept Videos

Gastroesophageal Reflux Disease01:25

Gastroesophageal Reflux Disease

Gastroesophageal reflux disease (GERD) is the backward flow of stomach contents (acid, pepsin, or bile) into the esophagus, causing mucosal inflammation known as esophagitis. It results from failure of antireflux mechanisms, mainly the lower esophageal sphincter (LES), influenced by mechanical and physiological factors.Etiology and Risk FactorsGERD develops when LES function is weakened or when intra-abdominal pressure increases. Risk factors include aging, obesity, and sliding hiatal hernia,...
Gastroesophageal Reflux Disease I: Meaning and Pathophysiology01:29

Gastroesophageal Reflux Disease I: Meaning and Pathophysiology

Gastroesophageal Reflux Disease (GERD) involves the recurrent backflow of the stomach or duodenal contents into the esophagus, leading to troublesome symptoms and potential esophageal mucosal damage. Although GERD is often referred to as a disease, it is more accurately described as a syndrome, as it encompasses a range of symptoms and complications rather than a singular pathological entity, impacting a large number of individuals as the most prevalent upper gastrointestinal problem. Roughly...
Gastroesophageal Reflux Disease II: Clinical Features and Management01:29

Gastroesophageal Reflux Disease II: Clinical Features and Management

Gastroesophageal reflux disease, or GERD, is a persistent medical condition that affects many individuals worldwide. Its clinical manifestations can vary greatly, making diagnosis and management challenging for healthcare professionals. The following is a comprehensive overview of the clinical manifestations, assessment, and management strategies for GERD.
Clinical Manifestations
GERD presents itself in a multitude of ways, with symptoms varying from person to person. The hallmark symptoms are...
Barrett Esophagus-II: Clinical Manifestations and Management01:21

Barrett Esophagus-II: Clinical Manifestations and Management

Individuals with Barrett's esophagus are often asymptomatic, but they may experience symptoms commonly associated with GERD, such as heartburn and acid regurgitation. Additional symptoms can include difficulty swallowing, chest pain, unintentional weight loss, blood in the stool (which may appear black, tarry, or bloody), and episodes of vomiting.
To diagnose Barrett's esophagus, healthcare providers often recommend an endoscopy for those showing symptoms of acid reflux. The procedure entails...
Barrett Esophagus-I: Introduction01:21

Barrett Esophagus-I: Introduction

Barrett's esophagus is a medical condition where the esophageal mucosa is significantly damaged by stomach acid or other digestive fluids, often due to long-term exposure associated with gastroesophageal reflux disease (GERD). In GERD, a weakened or abnormally relaxed lower esophageal sphincter allows stomach acid to flow persistently into the esophagus.
This constant acid exposure transforms the esophagus's pink mucosal lining (stratified squamous epithelium) into a type of lining more similar...
Esophageal Strictures-I: Introduction01:30

Esophageal Strictures-I: Introduction

Esophageal strictures involve abnormal narrowing or tightening of the esophagus. They vary in length and severity, ranging from mild constriction to complete obstruction, and are classified as benign (noncancerous) or malignant (cancerous).
Etiology
The primary cause of esophageal strictures is long-standing gastroesophageal reflux disease (GERD), accounting for about 70 to 80% of adult cases. Chronic acid reflux can lead to injury and scarring of the esophageal lining, culminating in...

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Related Experiment Video

Updated: Jun 19, 2026

Surgical Models of Gastroesophageal Reflux with Mice
05:19

Surgical Models of Gastroesophageal Reflux with Mice

Published on: August 25, 2015

Gastroesophageal reflux disease.

M A Al-Karawi1

  • 1Department of Gastroenterology, Riyadh Armed Forces Hospital, Riyadh, Saudi Arabia.

Saudi Journal of Gastroenterology : Official Journal of the Saudi Gastroenterology Association
|October 30, 2009
PubMed
Summary

This review covers gastroesophageal reflux disease (GERD), detailing its physiology, diagnosis, and management strategies. It highlights lifestyle changes and drug therapies for effective GERD treatment.

Area of Science:

  • Gastroenterology
  • Internal Medicine

Background:

  • Gastroesophageal reflux disease (GERD) is a common condition with significant impact on quality of life.
  • Understanding the interplay between physiology and pathophysiology is crucial for effective management.

Purpose of the Study:

  • To provide a comprehensive overview of GERD.
  • To outline diagnostic approaches and their respective merits.
  • To discuss current and emerging management strategies.

Main Methods:

  • Literature review focusing on GERD physiology, pathophysiology, diagnosis, and management.
  • Critical analysis of diagnostic methods, including their advantages and disadvantages.
  • Examination of therapeutic interventions, emphasizing lifestyle modifications and pharmacotherapy.

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Construction of a Wireless-Enabled Endoscopically Implantable Sensor for pH Monitoring with Zero-Bias Schottky Diode-based Receiver
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Construction of a Wireless-Enabled Endoscopically Implantable Sensor for pH Monitoring with Zero-Bias Schottky Diode-based Receiver

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Last Updated: Jun 19, 2026

Surgical Models of Gastroesophageal Reflux with Mice
05:19

Surgical Models of Gastroesophageal Reflux with Mice

Published on: August 25, 2015

Construction of a Wireless-Enabled Endoscopically Implantable Sensor for pH Monitoring with Zero-Bias Schottky Diode-based Receiver
08:25

Construction of a Wireless-Enabled Endoscopically Implantable Sensor for pH Monitoring with Zero-Bias Schottky Diode-based Receiver

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Main Results:

  • Detailed explanation of GERD-related physiological and pathophysiological mechanisms.
  • Comparative analysis of diagnostic tools for GERD.
  • Discussion of advancements in GERD management, including lifestyle and drug-based interventions.

Conclusions:

  • A thorough understanding of GERD's multifaceted nature is essential.
  • Tailored diagnostic and management plans are key to successful patient outcomes.
  • Integration of lifestyle changes with pharmacotherapy offers a robust approach to GERD treatment.