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Related Concept Videos

Esophageal Achalasia01:27

Esophageal Achalasia

37
Esophageal achalasia is a chronic neurogenic disorder characterized by impaired relaxation of the lower esophageal sphincter (LES) and absent or ineffective peristalsis in the distal esophagus. This leads to a functional obstruction without a physical blockage, despite significant disruption of esophageal motility.EtiologyAchalasia is caused by degeneration of the myenteric (Auerbach's) plexus, specifically the loss of inhibitory ganglion cells that produce vasoactive intestinal peptide...
37
Esophageal Strictures-II: Clinical Features and Management01:26

Esophageal Strictures-II: Clinical Features and Management

1.1K
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...
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Deglutition01:25

Deglutition

7.6K
Swallowing, otherwise known as deglutition, facilitates the transport of food from the mouth to the stomach. It is a multifaceted process that involves both the tongue and the muscles of the throat and esophagus. Saliva and mucus aid in this process, which takes approximately 4 to 8 seconds for semi-solid or solid food and around 1 second for liquids or very soft food.
Swallowing can be divided into three stages: the voluntary phase, the pharyngeal phase, and the esophageal phase. Although the...
7.6K
Gastroesophageal Reflux Disease01:25

Gastroesophageal Reflux Disease

39
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,...
39
Upper GI Series: Barium Swallow01:24

Upper GI Series: Barium Swallow

2.5K
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...
2.5K
Enteral Nutrition II: Nasointestinal and Gastrostomy Feeding01:15

Enteral Nutrition II: Nasointestinal and Gastrostomy Feeding

2.0K
Enteral nutrition encompasses various methods of delivering nutrition directly to the gastrointestinal (GI) tract, bypassing traditional oral intake. It is particularly beneficial for patients who cannot eat by mouth but have a functioning digestive system. Key methods include nasointestinal feeding, gastrostomy, and jejunostomy, each suited to different clinical scenarios based on the patient's needs and condition.
Nasointestinal Feeding
Nasointestinal feeding involves placing a tube...
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Related Experiment Video

Updated: Apr 27, 2026

Adapting Human Videofluoroscopic Swallow Study Methods to Detect and Characterize Dysphagia in Murine Disease Models
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Adapting Human Videofluoroscopic Swallow Study Methods to Detect and Characterize Dysphagia in Murine Disease Models

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Dysphagia after Stroke: an Overview.

Marlís González-Fernández, Lauren Ottenstein, Levan Atanelov

    Current Physical Medicine and Rehabilitation Reports
    |July 1, 2014
    PubMed
    Summary
    This summary is machine-generated.

    Most acute stroke patients experience dysphagia (swallowing problems), which can lead to serious health issues. This review covers dysphagia screening, evaluation, and current treatment options for stroke survivors.

    Keywords:
    DeglutitionDysphagiaStrokeSwallowing

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    Area of Science:

    • Neurology
    • Gastroenterology
    • Speech and Language Pathology

    Background:

    • Dysphagia (swallowing difficulty) is highly prevalent in acute stroke patients.
    • While most cases resolve within two weeks, persistent dysphagia poses risks like pneumonia, malnutrition, and dehydration.
    • Long-term swallowing problems significantly impair patients' quality of life.

    Purpose of the Study:

    • To outline the scope and disease burden of dysphagia post-stroke.
    • To review available tools for dysphagia screening and formal evaluation.
    • To discuss current and emerging treatment interventions for stroke-related dysphagia.

    Main Methods:

    • Literature review of studies on post-stroke dysphagia.
    • Analysis of diagnostic tools for swallowing assessment.
    • Synthesis of evidence on therapeutic strategies for dysphagia.

    Main Results:

    • Dysphagia is a common complication of acute stroke with significant health implications.
    • A range of screening and diagnostic tools are available for accurate dysphagia assessment.
    • Various treatment interventions, both established and novel, show promise for managing post-stroke swallowing difficulties.

    Conclusions:

    • Effective screening and evaluation are crucial for identifying and managing dysphagia in stroke patients.
    • Timely and appropriate interventions can mitigate the risks associated with persistent dysphagia.
    • Further research into novel treatments may improve outcomes for individuals with long-term swallowing impairments after stroke.