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Related Concept Videos

Trachea01:22

Trachea

5.9K
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...
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The Bronchial Tree01:23

The Bronchial Tree

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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...
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Anatomy of Respiratory System II: Lower Respiratory Tract01:31

Anatomy of Respiratory System II: Lower Respiratory Tract

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The lower respiratory tract is anatomically composed of several vital structures, including the larynx, trachea, bronchial tree, alveoli, lungs, and pleurae. Each component has a specific function, and all are intricately connected to ensure efficient respiration.
The Larynx
It is located between the pharynx and the trachea, acts as a passageway for air, and hosts several critical structures, such as the epiglottis, vocal cords, and glottis. The epiglottis acts as a gateway, guiding food to the...
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Oxygen Delivering System II: Venturi Mask and Transtracheal Oxygen01:16

Oxygen Delivering System II: Venturi Mask and Transtracheal Oxygen

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Oxygen therapy is a pivotal aspect of medical care, particularly for patients with respiratory ailments. Two prominent oxygen-delivering systems include the Venturi mask and the transtracheal oxygen catheter.
Venturi Mask
The Venturi mask, named after the Venturi effect, is designed to deliver precise oxygen concentrations. It consists of a large tube with an oxygen inlet that narrows down, causing a pressure drop that pulls air in through adjustable side ports. The mask is a lightweight,...
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Tracheostomy Decannulation01:21

Tracheostomy Decannulation

2.3K
Tracheostomy decannulation is a significant milestone in the liberation of mechanically ventilated patients. Despite its importance, there is no universally accepted protocol for this procedure. This demands an evidence-based, individualized approach.
Description of the Procedure
Decannulation refers to the permanent removal of the tracheostomy tube, signaling the resolution of the condition that initially necessitated the tracheostomy. The process requires a well-coordinated interplay between...
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Oxygen Delivering System III: Tracheostomy and T-piece01:23

Oxygen Delivering System III: Tracheostomy and T-piece

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Oxygen delivery is critical in clinical care, especially for patients with respiratory disorders or those undergoing surgical procedures. Various systems, such as tracheostomy and the T-piece, deliver oxygen to the lungs, ensuring adequate arterial oxygenation.
Tracheostomy
A tracheostomy is a surgically created opening (stoma) in the anterior part of the trachea. It is used to establish a patient airway, bypass an upper airway obstruction, simplify the removal of secretions, permit long-term...
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Related Experiment Video

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Isolation and Quantitative Evaluation of Brush Cells from Mouse Tracheas
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Isolation and Quantitative Evaluation of Brush Cells from Mouse Tracheas

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Tracheal Diverticula.

Gabriela Gayer1

  • 1Department of Radiology, Stanford Hospital and Clinics, Stanford, CA; Department of Nuclear Medicine, Sheba Medical Center, Ramat Gan, Israel; Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel.

Seminars in Ultrasound, CT, and MR
|June 5, 2016
PubMed
Summary
This summary is machine-generated.

Extraluminal paratracheal air bubbles on CT scans are usually tracheal diverticula (TD), a common finding in the upper trachea. These should not be mistaken for pneumomediastinum.

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Area of Science:

  • Radiology
  • Thoracic Imaging
  • Anatomy

Background:

  • Extraluminal air bubbles near the trachea on computed tomography (CT) scans of the thoracic inlet can be mistaken for other conditions.
  • Tracheal diverticula (TD), also known as tracheal pouch or tracheocele, are a common cause of these findings.

Purpose of the Study:

  • To describe the prevalence, pathophysiology, and potential complications of tracheal diverticula.
  • To illustrate the varied appearances of tracheal diverticula on CT scans.

Main Methods:

  • Review of computed tomography (CT) studies including the thoracic inlet (neck, cervical spine, chest).
  • Analysis of the location, prevalence, and imaging characteristics of paratracheal air bubbles.
  • Correlation with known pathophysiology and potential complications.

Main Results:

  • Extraluminal paratracheal air bubbles are frequently identified as tracheal diverticula.
  • Tracheal diverticula typically occur in the right posterolateral upper trachea (T1-T3 level).
  • Their characteristic appearance aids in distinguishing them from pneumomediastinum.

Conclusions:

  • Tracheal diverticula are common and usually benign findings on CT scans of the upper airway.
  • Recognition of TD prevents misdiagnosis of more serious conditions like pneumomediastinum.
  • Understanding TD prevalence and appearance is crucial for accurate thoracic inlet imaging interpretation.