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Related Concept Videos

Esophageal Achalasia01:27

Esophageal Achalasia

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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...
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Deglutition01:25

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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...
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Pyloric Obstruction01:11

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Pyloric obstruction, also referred to as gastric outlet obstruction, is a condition characterized by narrowing or blockage at the pylorus—the muscular valve regulating the flow of stomach contents into the duodenum. When this passage becomes impaired, the stomach cannot effectively empty its contents into the small intestine. This disruption leads to a range of gastrointestinal symptoms, including early satiety, bloating, epigastric pain, postprandial nausea, persistent vomiting, and...
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Upper GI Series: Barium Swallow01:24

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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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Esophageal Strictures-II: Clinical Features and Management01:26

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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.
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Gastroesophageal Reflux Disease01:25

Gastroesophageal Reflux Disease

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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,...
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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].

S Meuret, A Dietz, M Fuchs

    Laryngo- Rhino- Otologie
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    Summary
    This summary is machine-generated.

    Swallowing difficulties, or dysphagia, affect all ages and can increase illness and death, especially with aspiration. This review covers normal swallowing, causes of dysphagia, and diagnostic and treatment options.

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    Area of Science:

    • Anatomy and physiology of the swallowing mechanism.
    • Pathophysiology of dysphagia.
    • Clinical diagnostics and therapeutic interventions for swallowing disorders.

    Context:

    • Swallowing difficulties (dysphagia) are prevalent across all age groups.
    • Dysphagia significantly impacts patient morbidity and mortality.
    • Aspiration is a critical complication associated with dysphagia.

    Purpose:

    • To elucidate the normal anatomy and physiology of the swallowing process.
    • To detail the etiological factors contributing to dysphagia.
    • To outline current diagnostic modalities and therapeutic strategies for managing dysphagia.

    Summary:

    • Explores the intricate anatomy and physiology of normal deglutition.
    • Investigates the diverse causes underlying the development of dysphagia.
    • Presents a comprehensive overview of diagnostic techniques and treatment approaches for swallowing impairments.

    Impact:

    • Enhances understanding of swallowing disorders for healthcare professionals.
    • Provides a foundation for improved patient care and management strategies.
    • Highlights the critical link between dysphagia, aspiration, and patient outcomes.