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Related Concept Videos

Trachea01:22

Trachea

The trachea, commonly known as the windpipe, is a vital part of the human respiratory system. It serves as a passageway for air to travel between the larynx and the bronchi, allowing oxygen to reach the lungs. Let's explore its anatomical features, dimensions, layers of the tracheal wall, associated muscles, and the functions of its parts.
Anatomical Features:
Location: About half of the trachea is situated in the neck, anterior to the esophagus, and extends from the larynx (at the level of the...
Microbiota of the Respiratory Tract01:29

Microbiota of the Respiratory Tract

The human respiratory tract, comprising the upper and lower segments, serves as a critical interface with the external environment. The upper respiratory tract (URT)—including the nostrils, sinuses, pharynx, and oropharynx—is heavily colonized by microbes, while the lower respiratory tract (LRT), composed of the larynx, trachea, bronchi, and lungs, was long thought to be sterile. However, recent molecular studies have revealed that the lungs are not devoid of microbes but act more like...
Atypical Pneumonia01:14

Atypical Pneumonia

Atypical pneumonia, often caused by Mycoplasma pneumoniae, is a form of pulmonary infection that differs from the classical presentation of bacterial pneumonia in both its cause and clinical symptoms. Mycoplasma pneumoniae is a pleomorphic bacterium notable for its lack of a rigid cell wall. This structural characteristic imparts resistance to beta-lactam antibiotics and significantly influences the bacterium’s behavior within the human host.Other pathogens responsible for the disease include...
Acute Pharyngitis01:30

Acute Pharyngitis

Introduction
Acute pharyngitis is the inflammation of the back of the throat (pharynx), commonly resulting in a sore throat. It is a frequently encountered condition that prompts individuals to seek medical advice.
Classification
Acute pharyngitis can be categorized based on its underlying cause:
The Bronchial Tree01:23

The Bronchial Tree

The human bronchi and bronchial tree play a crucial role in the respiratory system, facilitating the exchange of oxygen and carbon dioxide. Let's delve into the intricate structure and functions of these respiratory components.
The trachea, commonly known as the windpipe, is a tube that connects the larynx (voice box) to the bronchi. At a point called the carina, it bifurcates into two primary bronchi. The right primary bronchus is wider, shorter, and more vertical than the left primary...
Pulmonary Tuberculosis III01:31

Pulmonary Tuberculosis III

Tuberculosis (TB) is a contagious infection primarily affecting the lung parenchyma but which can also affect other body parts. TB can be classified based on disease development, presentation, and the affected anatomical site.
The first classification is based on the development of the disease, and it includes the following categories:

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Related Experiment Video

Updated: Jun 27, 2026

Murine Intrapulmonary Tracheal Transplantation: A Model for Investigating Obliterative Airway Disease After Lung Transplantation
06:15

Murine Intrapulmonary Tracheal Transplantation: A Model for Investigating Obliterative Airway Disease After Lung Transplantation

Published on: November 10, 2023

Bacterial tracheitis--not always primary.

Hassib Narchi1, Ratna Basak

  • 1Faculty of Medicine and Health Sciences, Al Ain Hospital, Al Ain, United Arab Emirates.

The Turkish Journal of Pediatrics
|November 19, 2008
PubMed
Summary

Bacterial tracheitis can recur if an underlying cause, like a foreign body, is missed. Bronchoscopy is crucial for diagnosing and treating these hidden causes in pediatric airway infections.

Area of Science:

  • Pediatric Pulmonology
  • Pediatric Infectious Diseases
  • Pediatric Airway Management

Background:

  • Bacterial tracheitis is a severe upper airway infection in children, often requiring intensive management.
  • Standard treatment involves tracheal intubation and toileting, but recurrences can occur.
  • Identifying underlying etiologies is critical for preventing relapse.

Observation:

  • A child with bacterial tracheitis initially responded to therapy but experienced a relapse one week later.
  • Recurrence was linked to a foreign body lodged within the tracheal wall.
  • Bronchoscopy successfully diagnosed and removed the foreign body.

Findings:

  • Foreign body in the tracheal wall as a cause of recurrent bacterial tracheitis.
  • Limitations of traditional airway management and toileting in resolving all underlying causes.

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Intra-tracheal Administration of Haemophilus influenzae in Mouse Models to Study Airway Inflammation
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Intra-tracheal Administration of Haemophilus influenzae in Mouse Models to Study Airway Inflammation

Published on: March 2, 2016

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Last Updated: Jun 27, 2026

Murine Intrapulmonary Tracheal Transplantation: A Model for Investigating Obliterative Airway Disease After Lung Transplantation
06:15

Murine Intrapulmonary Tracheal Transplantation: A Model for Investigating Obliterative Airway Disease After Lung Transplantation

Published on: November 10, 2023

Intra-tracheal Administration of Haemophilus influenzae in Mouse Models to Study Airway Inflammation
09:56

Intra-tracheal Administration of Haemophilus influenzae in Mouse Models to Study Airway Inflammation

Published on: March 2, 2016

  • Efficacy of bronchoscopy in identifying and treating occult tracheal pathology.

    • Implications:

    • Bronchoscopy should be considered in cases of recurrent bacterial tracheitis to rule out foreign bodies or other structural abnormalities.
    • Early diagnosis and removal of foreign bodies can prevent prolonged illness and complications.
    • This case highlights the importance of a comprehensive diagnostic approach in pediatric airway infections.