Related Experiment Video
Updated: Jul 4, 2026
08:32
Adapting Human Videofluoroscopic Swallow Study Methods to Detect and Characterize Dysphagia in Murine Disease Models
Published on: March 1, 2015
Diagnostic evaluation of dysphagia.
1Gastroenterology Department, St George Hospital, Gray Street, Kogarah, NSW 2217, Australia. i.cook@unsw.edu.au
Nature Clinical Practice. Gastroenterology & Hepatology
|June 11, 2008
Summary
A thorough patient history is essential for diagnosing dysphagia (difficulty swallowing). It helps pinpoint the cause and location of the problem, guiding further diagnostic tests like barium swallows or endoscopy.
Area of Science:
- Medicine
- Gastroenterology
- Neurology
Background:
- Dysphagia evaluation relies heavily on a detailed patient history.
- History taking is crucial for identifying the pathophysiologic process and anatomical site of swallowing problems.
- It guides the selection of appropriate diagnostic imaging and procedures.
Purpose of the Study:
- To emphasize the critical role of patient history in diagnosing dysphagia.
- To differentiate pharyngeal dysphagia from esophageal disorders based on historical data.
- To guide the choice of diagnostic procedures for dysphagia.
Main Methods:
- Detailed analysis of patient-reported symptoms.
- Correlation of historical data with potential underlying causes like stroke.
- Clinical judgment to determine the necessity of diagnostic procedures such as endoscopy, barium swallow, or esophageal manometry.
Main Results:
- A careful history can identify the likely cause and location of dysphagia in most patients.
- Specific historical features can accurately distinguish neurogenic pharyngeal dysphagia from esophageal disorders.
- History guides the selection of diagnostic tests, potentially avoiding unnecessary procedures.
Conclusions:
- Patient history is the cornerstone of dysphagia evaluation.
- It is vital for accurate diagnosis, differentiating causes, and guiding appropriate diagnostic workups.
- In cases of suspected pharyngeal dysphagia, especially post-stroke, a videoradiographic swallow study is essential.
Related Concept Videos
01:29Endoscopic Procedures I: Esophagogastroduodenoscopy
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:
During an EGD, the endoscope can be used to:
01:24Upper GI Series: Barium Swallow
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...
Purpose and Procedure
Patients undergoing this procedure ingest a liquid containing barium sulfate with a chalky...
01:28Peptic Ulcer Disease III: Clinical Manifestations and Diagnostic Studies
Peptic ulcer disease (PUD) presents with diverse symptoms depending on the location and severity of the ulcer. Clinical manifestations of peptic ulcer include dull pain and a burning sensation in the mid-epigastric region.
Few clinical manifestations differentiate gastric ulcers from duodenal ulcers. Distinctions in the location, timing, and pain relief are crucial for healthcare providers in differentiating between gastric and duodenal ulcers during clinical assessments.
Few clinical manifestations differentiate gastric ulcers from duodenal ulcers. Distinctions in the location, timing, and pain relief are crucial for healthcare providers in differentiating between gastric and duodenal ulcers during clinical assessments.
01:26Assessment of the Mouth
A thorough mouth assessment, including inspection and palpation of the lips, gums, tongue, tonsils, uvula, and pharynx, is crucial in detecting potential health issues. Diseases ranging from oral cancer to systemic conditions like diabetes could be identified early through careful oral examination. This article provides a detailed guide on conducting a comprehensive mouth assessment.
Mouth Inspection
The inspection begins with visually examining the mouth for symmetry, color, and size.
Mouth Inspection
The inspection begins with visually examining the mouth for symmetry, color, and size.
01:26Imaging Studies III: Gastrointestinal Motility Studies and Virtual Colonoscopy
This lesson explores three gastrointestinal imaging techniques: radionuclide testing, colonic transit studies, and virtual colonoscopy.
Radionuclide Testing
Radionuclide testing is a sophisticated medical technique for assessing gastrointestinal motility. It focuses on gastric emptying and colonic transit time. Radioactive markers track the movement of food through the digestive system, providing insights into gastrointestinal disorders.
In gastric emptying studies, a meal's liquid and solid...
Radionuclide Testing
Radionuclide testing is a sophisticated medical technique for assessing gastrointestinal motility. It focuses on gastric emptying and colonic transit time. Radioactive markers track the movement of food through the digestive system, providing insights into gastrointestinal disorders.
In gastric emptying studies, a meal's liquid and solid...
01:30Dysrhythmias V: Evaluating Dysrhythmias
Dysrhythmias, also known as arrhythmias, are disturbances in the heart's rhythm that range from benign to life-threatening. A thorough evaluation is crucial for appropriate management and involves a comprehensive medical history, physical examination, and various diagnostic tests.Medical HistorySymptoms: Collect detailed information on palpitations, dizziness, syncope, chest pain, and fatigue. Note their onset, frequency, and triggers.Previous Cardiac Issues: Document any history of heart...