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Related Concept Videos

Esophageal Strictures-II: Clinical Features and Management01:26

Esophageal Strictures-II: Clinical Features and Management

319
Patients with esophageal strictures often experience a range of symptoms. Initially, they may have difficulty swallowing solid foods, which can progress to include liquids. Additional symptoms may involve chest pain or discomfort, regurgitating food and fluids, heartburn, unintentional weight loss, coughing or choking during meals, and hoarseness.
Healthcare providers should gather a comprehensive medical history and conduct a physical examination for diagnosis. If esophageal stricture is...
319
Gastroesophageal Reflux Disease II: Clinical Features and Management01:29

Gastroesophageal Reflux Disease II: Clinical Features and Management

587
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...
587
Endoscopic Procedures I: Esophagogastroduodenoscopy01:29

Endoscopic Procedures I: Esophagogastroduodenoscopy

652
An Esophagogastroduodenoscopy (EGD) is a diagnostic procedure in which an endoscopist uses a flexible, lighted endoscope to visualize the upper gastrointestinal (GI) tract. The procedure includes visualizing the oropharynx, esophagus, stomach, and the first part of the small intestine, the duodenum.
During an EGD, the endoscope can be used to:
652
Esophagus01:24

Esophagus

3.5K
The esophagus, a muscular conduit linking the pharynx and stomach, measures roughly 10 inches (25.4 cm) and sits behind the trachea. It remains collapsed when not swallowing. The esophagus follows a predominantly straight path through the thoracic mediastinum and enters the abdominal cavity through a diaphragmatic opening known as the esophageal hiatus.
The movement of edibles from the pharynx into the esophagus is facilitated by the upper esophageal sphincter, which is formed primarily by the...
3.5K
Esophageal Strictures-I: Introduction01:30

Esophageal Strictures-I: Introduction

492
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...
492
Upper GI Series: Barium Swallow01:24

Upper GI Series: Barium Swallow

1.3K
The Barium Swallow Study, or a Barium Esophagogram, is a diagnostic imaging method used to visualize the upper gastrointestinal (GI) tract, including the esophagus, stomach, and small intestine. It employs barium sulfate, a radiopaque contrast material, to provide clear images of the upper digestive system, helping to identify abnormalities, diseases, or structural issues.
Purpose and Procedure
Patients undergoing this procedure ingest a liquid containing barium sulfate with a chalky...
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Related Experiment Video

Updated: Dec 20, 2025

Simultaneous Laryngopharyngeal and Conventional Esophageal pH Monitoring
06:46

Simultaneous Laryngopharyngeal and Conventional Esophageal pH Monitoring

Published on: December 14, 2020

3.2K

Esophageal Manometry.

Tài Pham1,2,3,4, Irene Telias5,2,6, Jeremy R Beitler7

  • 1Interdepartmental Division of Critical Care Medicine, University of Toronto, Ontario, Canada. taiopham@gmail.com.

Respiratory Care
|May 28, 2020
PubMed
Summary
This summary is machine-generated.

Esophageal manometry, a valuable tool for estimating pleural pressure, offers potential for personalized mechanical ventilation. Despite past criticisms, this review highlights its benefits in optimizing patient care during ventilation and weaning.

Keywords:
ARDSasynchronymechanical ventilationmechanical ventilator weaningphysiologic monitoringrespiratory mechanics

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Area of Science:

  • Critical Care Medicine
  • Respiratory Physiology
  • Pulmonary Engineering

Background:

  • Esophageal manometry for pleural pressure estimation has a long history in physiological research.
  • Clinical adoption remains limited due to perceived complexity, reliability concerns, and unproven patient benefit.
  • Despite criticisms, it holds potential for enhancing mechanical ventilation management.

Purpose of the Study:

  • To provide a comprehensive guide on esophageal manometry for clinical application.
  • To address technical aspects, clinical scenarios, and recent advancements.
  • To clarify the utility of esophageal pressure measurement in mechanical ventilation.

Main Methods:

  • Review of existing literature and physiological research on esophageal manometry.
  • Analysis of technical challenges and calculation methods.
  • Synthesis of recent studies and clinical applications.

Main Results:

  • Esophageal manometry can overcome perceived barriers to clinical use.
  • It enables better monitoring, optimization, and personalization of mechanical ventilation.
  • Recent studies support its benefit from acute phases through weaning.

Conclusions:

  • Esophageal manometry is an underutilized tool with significant potential in critical care.
  • Addressing technical and educational barriers can improve its clinical adoption.
  • Personalized mechanical ventilation strategies can be advanced through its application.