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Related Concept Videos

Graves Disease II: Pathophysiology01:24

Graves Disease II: Pathophysiology

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Graves’ disease is an autoimmune disorder characterized by the production of thyroid-stimulating immunoglobulins (TSI) that activate TSH receptors, leading to excessive synthesis and release of thyroid hormones (T3 and T4) and resulting in hyperthyroidism.Among all causes of hyperthyroidism, Graves’ disease is the most common and can happen at any age, though it is more frequent in women. It produces a hypermetabolic state with features such as weight loss, tachycardia, tremor,...
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Gastritis II: Pathophysiology01:26

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The pathophysiology of gastritis begins with the colonization of the stomach lining by Helicobacter pylori (H. pylori). This bacterium spreads mainly via the oral-oral route through saliva or shared utensils, and can also be transmitted in overcrowded or unhygienic environments through contaminated water, despite its brief survival outside the body.ColonizationOnce ingested, H. pylori enters the stomach and begins colonization by navigating through the mucus layer lining the stomach wall. It...
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Gastritis-II: Pathophysiology01:17

Gastritis-II: Pathophysiology

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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...
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Esophageal Achalasia01:27

Esophageal Achalasia

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Esophageal achalasia is a chronic neurogenic disorder characterized by impaired relaxation of the lower esophageal sphincter (LES) and absent or ineffective peristalsis in the distal esophagus. This leads to a functional obstruction without a physical blockage, despite significant disruption of esophageal motility.EtiologyAchalasia is caused by degeneration of the myenteric (Auerbach's) plexus, specifically the loss of inhibitory ganglion cells that produce vasoactive intestinal peptide...
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Other Disorders of Digestive System01:30

Other Disorders of Digestive System

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The gastrointestinal tract is susceptible to various disorders. If the lower esophageal sphincter is damaged, stomach acid can flow back into the esophagus, causing irritation and inflammation of the lining. This condition is called gastroesophageal reflux disease (known as heartburn) and may cause chest pain and difficulty swallowing. In the stomach, prolonged use of nonsteroidal anti-inflammatory drugs like aspirin, chronic alcohol consumption, bacterial infections such as Helicobacter...
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Barrett Esophagus-I: Introduction01:21

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Barrett's esophagus is a medical condition where the esophageal mucosa is significantly damaged by stomach acid or other digestive fluids, often due to long-term exposure associated with gastroesophageal reflux disease (GERD). In GERD, a weakened or abnormally relaxed lower esophageal sphincter allows stomach acid to flow persistently into the esophagus.
This constant acid exposure transforms the esophagus's pink mucosal lining (stratified squamous epithelium) into a type of lining more...
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Fingerprinting Cardiolipin in Leukocytes by Mass Spectrometry for a Rapid Diagnosis of Barth Syndrome
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Kartagener's syndrome: a classical case.

D C Arunabha1, R T Sumit1, B Sourin2

  • 1Department of Pulmonary Medicine, R.G. Kar Medical College and Hospital, Kolkata.

Ethiopian Journal of Health Sciences
|December 10, 2014
PubMed
Summary

Kartagener's syndrome, a rare inherited disorder, can cause recurrent respiratory infections due to primary ciliary dyskinesia. Early diagnosis is crucial to avoid misdiagnosis and ineffective treatments.

Keywords:
Kartagener's syndromedextrocardiaprimary cilliary dyskinesiasinusitissitus inversus

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Area of Science:

  • Medical Science
  • Genetics
  • Pulmonology

Background:

  • Recurrent lower respiratory tract infections (LRTI) are common clinical issues.
  • Failure to identify the underlying cause leads to inappropriate patient management.
  • Immune deficiencies and respiratory tract abnormalities are frequent causes of recurrent LRTI.

Observation:

  • A case of recurrent upper and lower respiratory tract infections since childhood is presented.
  • The patient was diagnosed with Kartagener's syndrome, characterized by situs inversus totalis.
  • This syndrome is associated with primary ciliary dyskinesia (PCD) in approximately half of affected individuals.

Findings:

  • The patient exhibited classical clinical and radiological features of Kartagener's syndrome.
  • Kartagener's syndrome is a rare inherited disorder.
  • Primary ciliary dyskinesia (PCD) is a key underlying condition.

Implications:

  • Consider Kartagener's syndrome in patients with recurrent respiratory infections, sinusitis, or bronchiectasis.
  • Timely diagnosis prevents unnecessary hospitalizations, investigations, and treatment failures.
  • Recognizing this rare condition improves patient outcomes and resource allocation.