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Related Concept Videos

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.
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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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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.
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Tonsillitis II: Management01:26

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This lesson will focus on the different treatment options for managing tonsillitis, which typically depend on the cause and severity.
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Chronic pharyngitis refers to persistent inflammation of the pharyngial mucosa.
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It often arises from persistent viral or bacterial infections affecting sinuses and tonsils.
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The trachea, commonly known as the windpipe, is a vital part of the human respiratory system. It serves as a passageway for air to travel between the larynx and the bronchi, allowing oxygen to reach the lungs. Let's explore its anatomical features, dimensions, layers of the tracheal wall, associated muscles, and the functions of its parts.
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Related Experiment Video

Updated: Oct 27, 2025

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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Hard to Swallow Results.

S Saboori1, M Jarvis2, J Baker3

  • 1Department of Internal Medicine at Atrium Health's Carolinas Medical Center, 5th Floor Medical Education Building, 1000 Blythe Blvd, Charlotte, NC, 28203, USA. shadab.saboori@atriumhealth.org.

Dysphagia
|July 23, 2021
PubMed
Summary
This summary is machine-generated.

This study found that while nursing staff improved esophageal manometry (EM) procedural compliance, community gastroenterologists without motility training frequently misdiagnosed conditions. This highlights the need for formal motility training and certification for accurate EM interpretation.

Keywords:
American Neurogastroenterology and Motility SocietyChicago classificationDeglutitionEsophageal manometryMotilityQuality improvement

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Area of Science:

  • Gastroenterology
  • Medical Quality Improvement

Background:

  • The American Neurogastroenterology and Motility Society (ANMS) established quality measures (QMs) for esophageal manometry (EM).
  • Effective implementation of these QMs is crucial for accurate diagnosis and patient care.

Purpose of the Study:

  • To assess and improve adherence to ANMS QMs for EM performance and interpretation.
  • To evaluate the impact of a quality improvement initiative based on Chicago Classification 3.0 (CC) Guidelines in a community hospital setting.

Main Methods:

  • A quality improvement study was conducted, involving pre- and post-intervention assessments of EM studies.
  • Independent reviewers reinterpreted studies for compliance with ANMS QMs, focusing on procedural aspects and data interpretation.
  • Interventions included developing a pre-procedural form, nursing education, and providing feedback to gastroenterologists.

Main Results:

  • Significant improvements were observed in nursing staff's procedural compliance for swallows (e.g., 76% vs. 12% for 30s swallows).
  • Physician data interpretation showed mixed results, with 50% incorrect diagnoses and 72% missing interpretation items based on CC.
  • Fragmented peristalsis was the most common missed diagnosis (30%), and 24% of inappropriate surgery referrals occurred.

Conclusions:

  • Community gastroenterologists without specialized motility training demonstrated poor data interpretation of EM studies.
  • Adequate nursing performance in EM procedures was achieved, but physician interpretation remains a challenge.
  • The findings underscore the necessity for a national certification process for formal HRM education and competency.