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Related Concept Videos

Gastritis-I: Introduction and Types01:27

Gastritis-I: Introduction and Types

385
Gastritis, defined by the inflammation or irritation of the stomach lining or gastric mucosa, manifests in several distinct forms: acute, chronic, reactive, and a specific subtype known as autoimmune metaplastic atrophic gastritis.
Acute gastritis presents as a sudden inflammation triggered by various stressors to the stomach lining, such as exposure to corrosive agents, local irritants like aspirin and other NSAIDs, alcohol consumption, radiation therapy, physical trauma, severe burns, sepsis,...
385
Gastritis-II: Pathophysiology01:17

Gastritis-II: Pathophysiology

322
Gastritis is marked by disruption of the mucosal barrier that usually protects the stomach tissue from digestive juices and manifests in acute and chronic forms.
In acute gastritis, the gastric mucosa becomes swollen and red and undergoes superficial erosion. Superficial ulceration may lead to bleeding.
In chronic gastritis, persistent or repeated insults lead to chronic inflammatory changes and, eventually, thinning or atrophy of the gastric tissue.
Gastritis can stem from various causes, each...
322
Gastritis III: Clinical Manifestations and Management01:23

Gastritis III: Clinical Manifestations and Management

234
The clinical manifestations of gastritis can vary depending on the cause and type of gastritis, but some common symptoms may include the following.
Clinical manifestations of acute gastritis
The patient with acute gastritis may have a rapid onset of symptoms, such as epigastric pain or discomfort, dyspepsia, anorexia, hiccups, or nausea and vomiting, which can last from a few hours to a few days. Erosive or hemorrhagic gastritis may cause bleeding, which may manifest as blood in vomit or as...
234
Pathophysiology of Vomiting01:22

Pathophysiology of Vomiting

419
Vomiting is a complex physiological response to expel harmful or irritating substances from the body. It's a defensive mechanism triggered by stimuli like poisons, microbial toxins, cytotoxic drugs, and mechanical abdominal distension. The process is centrally coordinated by the vomiting (or emetic) center located in the medulla of the brainstem. This area, rich in muscarinic M1, histamine H1, neurokinin 1 (NK1), and serotonin 5-HT3 receptors, coordinates the act of vomiting through...
419
Gastrointestinal Motility Disorders01:20

Gastrointestinal Motility Disorders

347
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...
347
Retroviruses02:33

Retroviruses

12.2K
Retroviruses and retrotransposons both insert copies of their genetic elements into the genome of the host cell. Thus, the viral genes are passed on when the host genome is replicated or translated. A typical retroviral DNA sequence contains 3-4 genes that encode the different proteins required for its structural assembly and function as a molecular parasite. This DNA is transcribed into a single mRNA, which is very similar in structure to conventional mRNAs, i.e., it is capped at the 5’...
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Related Experiment Video

Updated: Jun 28, 2025

Adapting Gastrointestinal Organoids for Pathogen Infection and Single Cell Sequencing under Biosafety Level 3 BSL-3 Conditions
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Adapting Gastrointestinal Organoids for Pathogen Infection and Single Cell Sequencing under Biosafety Level 3 BSL-3 Conditions

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[Viral gastroenteritis].

F Lamouliatte1, P Du Pasquier1

  • 1Laboratoire de Virologie, Hôpital Pellegrin, F-33076 Bordeaux France.

Medecine Et Maladies Infectieuses
|April 15, 2024
PubMed
Summary
This summary is machine-generated.

Many viruses cause gastroenteritis in children, particularly those with immune or nutritional issues. Rotavirus is common, while others like Norwalk virus require electron microscopy for identification, with early hydration improving outcomes.

Keywords:
Agent de NorwalkBreda virusBredavirusCoronavirusGastroentérite viraleNorwalk agentRotavirusViral gastroenteritis

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Detection and Genogrouping of Noroviruses from Children's Stools By Taqman One-step RT-PCR
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EPA Method 1615. Measurement of Enterovirus and Norovirus Occurrence in Water by Culture and RT-qPCR. II. Total Culturable Virus Assay
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EPA Method 1615. Measurement of Enterovirus and Norovirus Occurrence in Water by Culture and RT-qPCR. II. Total Culturable Virus Assay

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Detection and Genogrouping of Noroviruses from Children's Stools By Taqman One-step RT-PCR
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EPA Method 1615. Measurement of Enterovirus and Norovirus Occurrence in Water by Culture and RT-qPCR. II. Total Culturable Virus Assay
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Area of Science:

  • Virology
  • Pediatrics
  • Infectious Diseases

Context:

  • Gastroenteritis is a significant health concern, especially in vulnerable pediatric populations.
  • Viral infections are a primary cause of gastroenteritis in young children.

Purpose:

  • To identify common viral agents responsible for gastroenteritis in children.
  • To highlight diagnostic methods for various viruses.
  • To emphasize the importance of early intervention in managing viral gastroenteritis.

Summary:

  • Rotavirus is the most frequently identified viral cause of gastroenteritis in children, detectable via ELISA.
  • Other viruses, including Norwalk agent, Coronaviruses, and Breda virus, necessitate identification through electron microscopy.
  • Prognosis for viral gastroenteritis is significantly improved by prompt symptomatic therapy and early hydration.

Impact:

  • Provides insights into the etiological agents of pediatric gastroenteritis.
  • Differentiates diagnostic approaches based on viral type.
  • Underscores the critical role of supportive care, particularly hydration, in pediatric gastroenteritis management.