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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:
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Epistaxis01:30

Epistaxis

Epistaxis, or nosebleeds, occurs when small, swollen blood vessels in the nasal mucous membrane rupture. Typically, the anterior septum is the primary site of occurrence.
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Chronic Obstructive Pulmonary Disease III: Chronic Bronchitis Features01:24

Chronic Obstructive Pulmonary Disease III: Chronic Bronchitis Features

Chronic bronchitis is a key phenotype of chronic obstructive pulmonary disease (COPD), characterized by airway-centered inflammation and mucus overproduction. It develops from long-term exposure to harmful particles or gases, most commonly cigarette smoke, which triggers a persistent inflammatory response.Cellular and Structural ChangesInflammation initially affects the large bronchi and later the smaller airways, with infiltration by immune cells, including neutrophils, macrophages, and...
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...
Esophageal Varices-II: Clinical Features and Management01:28

Esophageal Varices-II: Clinical Features and Management

Esophageal varices often manifest as gastrointestinal bleeding episodes, presenting symptoms like hematemesis (vomiting of blood), hematochezia (passing fresh blood via the rectum), and melena (black, tarry stools). Other signs can include weight loss, anorexia, abdominal discomfort, jaundice, pruritus, altered mental status, and muscle cramps.
In the initial assessment, a thorough review of the patient's medical history is vital to identify risk factors such as liver disease, alcohol abuse, or...
Tonsillitis II: Management01:26

Tonsillitis II: Management

This lesson will focus on the different treatment options for managing tonsillitis, which typically depend on the cause and severity.

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Related Experiment Video

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A Model of Self-limited Acute Lung Injury by Unilateral Intra-bronchial Acid Instillation
07:40

A Model of Self-limited Acute Lung Injury by Unilateral Intra-bronchial Acid Instillation

Published on: August 30, 2019

Cough-induced Tracheobronchial Mucosal Bleeding.

Harmanjit Singh Hira1

  • 1Department of Internal and Pulmonary Medicine, Maulana Azad Medical College, New Delhi, India.

Journal of Bronchology & Interventional Pulmonology
|November 22, 2012
PubMed
Summary
This summary is machine-generated.

Severe coughing can cause tracheobronchial bleeding due to mucosal petechiae. This case shows hemoptysis resolved with cough suppressants, indicating a self-limiting condition related to forceful coughing.

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Area of Science:

  • Pulmonology
  • Respiratory Medicine
  • Medical Case Reports

Background:

  • Hemoptysis, or coughing up blood, can stem from various causes affecting the airways.
  • Tracheobronchial mucosal petechiae are small, pinpoint hemorrhages that can occur in the airways.
  • Understanding the triggers and resolution of airway bleeding is crucial for patient management.

Purpose of the Study:

  • To present a case of hemoptysis secondary to tracheobronchial mucosal petechiae.
  • To explore the potential mechanism linking severe coughing to airway mucosal bleeding.
  • To highlight the efficacy of conservative management in resolving such bleeding episodes.

Main Methods:

  • A 56-year-old male patient presented with moderate hemoptysis following a severe cough.
  • Flexible bronchoscopy was performed, revealing diffuse tracheobronchial mucosal petechiae and bleeding.
  • The patient's medical history, including coagulopathy and medication use, was reviewed.
  • Treatment involved cough suppression, and follow-up bronchoscopy was conducted.

Main Results:

  • The patient experienced moderate hemoptysis after a severe coughing episode.
  • Bronchoscopy confirmed diffuse tracheobronchial mucosal petechiae and bleeding.
  • The patient had no underlying coagulopathies or use of antiplatelet medications.
  • Hemoptysis resolved completely following cough suppressant therapy.
  • Follow-up bronchoscopy showed complete resolution of the tracheobronchial mucosal petechiae.

Conclusions:

  • Severe coughing can precipitate hemoptysis through the mechanism of tracheobronchial mucosal petechiae.
  • This type of bleeding appears to be self-limiting and can resolve with conservative management, such as cough suppression.
  • The case underscores the importance of considering mechanical stress from coughing as a cause of airway bleeding.