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Related Concept Videos

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This lesson explores three gastrointestinal imaging techniques: radionuclide testing, colonic transit studies, and virtual colonoscopy.
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Capsule endoscopy, or wireless or video capsule endoscopy, is a diagnostic procedure for examining the entire gastrointestinal tract. Patients swallow a capsule about the size of a vitamin tablet. The capsule is equipped with a transmitter, a battery, an LED light source, and a color video camera to capture images throughout the gastrointestinal tract. This procedure is particularly useful for diagnosing conditions such as Crohn's disease, ulcerative colitis, tumors, polyps, ulcers,...
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Endoscopic Ultrasound (EUS) and FibroScan are valuable diagnostic tools in gastroenterology and hepatology, each with specific applications and techniques.
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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.
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What is Monogastric Digestion?01:50

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Related Experiment Video

Updated: Aug 8, 2025

Autonomous and Rechargeable Microneurostimulator Endoscopically Implantable into the Submucosa
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Practicing Digital Gastroenterology through Phonoenterography Leveraging Artificial Intelligence: Future Perspectives

Renisha Redij1, Avneet Kaur2, Pratyusha Muddaloor3

  • 1GIH Artificial Intelligence Laboratory (GAIL), Division of Gastroenterology and Hepatology, Department of Medicine, Mayo Clinic, Rochester, MN 55905, USA.

Sensors (Basel, Switzerland)
|February 28, 2023
PubMed
Summary

Bowel sound analysis using a phonoenterogram shows potential for future gastroenterological practice. This accessible technology can aid in diagnosing various GI conditions and improving patient care.

Keywords:
PEGartificial intelligencebowel soundscomputer-aided auscultationdigital healthgastroenterologymicrowave acoustic sensorsmicrowave telemetryphonoenterogram

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Area of Science:

  • Gastroenterology
  • Medical Technology
  • Acoustic Biosensing

Background:

  • Bowel sound production is influenced by diet, air intake, and intestinal contractions.
  • Current applications of bowel sound analysis in patient care are limited.
  • Advancements in recording and analysis technologies are emerging.

Purpose of the Study:

  • To review the physiology of bowel sound production.
  • To explore developments in bowel sound recording technologies.
  • To understand the clinical potential of a phonoenterogram in gastroenterology.

Main Methods:

  • Review of existing literature on bowel sound physiology and recording techniques.
  • Analysis of various signal processing methods including wavelet-based filtering and neural networks.
  • Examination of clinical applications across diverse gastrointestinal and systemic conditions.

Main Results:

  • Bowel sound analysis has been evaluated for conditions like intestinal obstruction, appendicitis, inflammatory bowel disease, and irritable bowel syndrome.
  • Artificial intelligence integration is key to developing accessible and safe diagnostic devices.
  • Microwave-based digital phonoenterography presents significant potential for clinical impact.

Conclusions:

  • Phonoenterography offers a promising, non-invasive tool for gastroenterological diagnostics.
  • AI-powered analysis can enhance the utility of bowel sound recordings.
  • Further development could revolutionize patient care in digestive health.