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Gastrointestinal Motility Disorders

Gastrointestinal Motility Disorders

Gastrointestinal or GI motility disorders are characterized by irregular gastrointestinal tract movements, disrupting food transit from the mouth to the anus. They are caused by damage or dysfunction in gut muscles or nerves. These disorders can cause symptoms such as severe constipation, diarrhea, abdominal pain, and swallowing difficulties. Disorders can affect any segment of the GI tract and range widely in severity, from common conditions like GERD to life-threatening conditions like...

Imaging Studies III: Gastrointestinal Motility Studies and Virtual Colonoscopy

Imaging 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...

Gastric Motility

Gastric Motility

Gastric motility is the coordinated contraction and relaxation of stomach muscles that convert ingested food into chyme, a semi-liquid substance ready for further digestion in the intestines. The process begins with the vagus nerve inducing the relaxation of the smooth muscles in the fundus and body of the stomach, allowing these regions to expand and accommodate up to approximately 1.5 liters of food and liquid.
Peristaltic Waves and Chyme Formation
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Cholecystitis

Cholecystitis

Cholecystitis is inflammation of the gallbladder, most commonly caused by obstruction of the cystic duct. This blockage prevents bile from draining, leading to gallbladder distension, inflammation, and potentially serious complications. This condition may present acutely or chronically and can happen with or without gallstones.EtiologyAbout 95% of cholecystitis cases are calculous, caused by gallstones blocking the cystic duct, leading to bile accumulation and inflammation of the gallbladder...

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The gallbladder is a small, pear-shaped organ that plays a crucial role in our digestive system. Measuring about 10 cm in length, it is comparable in size to a kiwi fruit and is located in a hollow area on the lower surface of the liver. The gallbladder's primary function is to store and concentrate bile, a fluid produced by the liver that aids in digestion.
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Related Experiment Video

Updated: May 25, 2026

Using Multi-fluorinated Bile Acids and In Vivo Magnetic Resonance Imaging to Measure Bile Acid Transport

Using Multi-fluorinated Bile Acids and In Vivo Magnetic Resonance Imaging to Measure Bile Acid Transport

Published on: November 27, 2016

Gallbladder motility disorders estimated by non-invasive methods.

Milorad Petrovic¹, Irena Radoman, Vera Artiko

¹University of Belgrade, Belgrade, Serbia.

Hepato-Gastroenterology

|January 21, 2012

Summary

This summary is machine-generated.

Both radionuclide (DC) and ultrasonographic (US) methods effectively assess gallbladder (GB) motility, showing high correlation. Radionuclide imaging offers greater precision due to continuous motility registration.

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Gastrointestinal Motility Monitor (GIMM)

Gastrointestinal Motility Monitor (GIMM)

Published on: December 1, 2010

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Last Updated: May 25, 2026

Using Multi-fluorinated Bile Acids and In Vivo Magnetic Resonance Imaging to Measure Bile Acid Transport

Using Multi-fluorinated Bile Acids and In Vivo Magnetic Resonance Imaging to Measure Bile Acid Transport

Published on: November 27, 2016

Gastrointestinal Motility Monitor (GIMM)

Gastrointestinal Motility Monitor (GIMM)

Published on: December 1, 2010

Area of Science:

Gastroenterology
Medical Imaging
Diagnostic Techniques

Background:

Gallbladder (GB) motility assessment is crucial for diagnosing various biliary conditions.
Comparing radionuclide (DC) and ultrasonographic (US) methods provides insights into their diagnostic utility.

Purpose of the Study:

To compare the efficacy of dynamic cholescintigraphy (DC) and ultrasonography (US) in evaluating gallbladder motility.

Main Methods:

The study included controls and patients with acute cholecystitis, chronic acalculous cholecystitis, chronic cholecystitis with calculosis, and gallbladder dyskinesia.
Gallbladder emptying period (EP), ejection fraction (EF), and ejection rate (ER) were measured using both DC and US.

Main Results:

Both DC and US demonstrated high correlation in assessing gallbladder motility across all studied groups.
Significant differences in EF and ER were observed between controls and patient groups (CAC, CCC, D) using both methods.
No significant differences in EF, EP, and ER were found among the chronic gallbladder disease groups (CAC, CCC, D).

Conclusions:

Both radionuclide and ultrasonographic methods are valuable for assessing gallbladder motility.
While highly correlated, radionuclide imaging provides more precise, continuous motility data.