Related Concept Videos
01:17Other Pulmonary Disorders
Respiratory disorders encompass a range of conditions with varying levels of severity. Asthma, marked by chronic airway inflammation and hypersensitivity, is one such condition. It can lead to airway obstruction due to factors like bronchial spasms, mucosal edema, increased mucus secretion, or epithelial damage. Asthma triggers are diverse, ranging from allergens to emotional upset, and treatment focuses on both immediate relief through bronchodilators and long-term inflammation suppression.
01:17Pulmonary Cycle: Exhalation
In terms of human respiration, the act of expelling air, known as exhalation (or expiration), operates on the principle of pressure gradients. During expiration, the pressure within the lungs exceeds that of the surrounding atmosphere. Under normal conditions, quiet breathing involves passive exhalation and is free of muscular contractions. This is because the exhalation process is driven by the natural elastic recoil of the lungs and chest wall, both of which have an inherent tendency to...
01:23Chronic Obstructive Pulmonary Disease I: Introduction
Chronic obstructive pulmonary disease is a common, preventable, and treatable respiratory disorder characterized by persistent symptoms and progressive airflow limitation. This limitation results from a combination of small-airway disease (obstructive bronchiolitis) and parenchymal destruction (emphysema), both driven by chronic inflammation from exposure to harmful particles or gases.The disease includes two main pathological entities: emphysema, marked by destruction of alveolar walls and...
01:23Chronic Obstructive Pulmonary Disease II: Emphysema
Emphysema, a major phenotype of chronic obstructive pulmonary disease (COPD), is characterized by irreversible destruction of alveolar walls and permanent enlargement of distal airspaces. Unlike chronic bronchitis, which primarily affects the airways, emphysema predominantly involves the lung parenchyma, where structural damage leads to airflow limitation.PathophysiologyIt most commonly results from prolonged exposure to cigarette smoke and other toxic gases, particularly cigarette smoke.
01:26Pneumothorax-I
A pneumothorax is a condition where air builds up in the space between the lung and the chest wall, causing the lung to collapse. This condition arises when air enters the space between the parietal and visceral pleura, disrupting the negative pressure essential for lung inflation. This can lead to a partial or complete collapse of the lung.
Pneumothorax can be even further classified as spontaneous, traumatic, and tension pneumothorax.
Pneumothorax can be even further classified as spontaneous, traumatic, and tension pneumothorax.
01:20Chronic Obstructive Pulmonary Disease-II: Pathophysiology
Chronic Obstructive Pulmonary Disease (COPD) pathophysiology is intricate and multifaceted, involving a complex interplay of physiological processes. Understanding these mechanisms is crucial for effectively managing and treating COPD. Here is an in-depth look at the critical elements in the pathophysiology of COPD:
Chronic Inflammation
Chronic Inflammation
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Visualizing Lung Cellular Adaptations during Combined Ozone and LPS Induced Murine Acute Lung Injury
Published on: March 21, 2021
Natural disasters and the lung.
Bruce Robinson1, Mohammad Fahmi Alatas, Andrew Robertson
1University of Western Australia, Crawley, Western Australia, Australia. bruce.robinson@uwa.edu.au
Respirology (Carlton, Vic.)
|January 20, 2011
Summary
Natural disasters, especially in Asia, increasingly threaten populations, leading to common pulmonary complications. Understanding these lung issues is crucial for effective disaster response and healthcare planning.
Area of Science:
- Environmental Health
- Public Health
- Pulmonology
Background:
- Growing global populations face increased natural disaster risks, particularly in Asia.
- Natural disasters frequently cause pulmonary complications, impacting lung health directly or indirectly.
- Post-disaster scenarios involve healthcare system collapse and overcrowding, exacerbating health issues.
Purpose of the Study:
- To review the immediate and aftermath pulmonary effects of natural disasters.
- To inform future disaster response planning by understanding health challenges.
- To highlight the critical need for anticipating health problems in disaster situations.
Main Methods:
- Literature review of pulmonary complications following natural disasters.
- Analysis of direct and indirect causes of lung injury in disaster settings.
- Discussion of healthcare delivery challenges in disaster contexts.
Main Results:
- Pulmonary complications are a significant health concern after natural disasters.
- Indirect factors like overcrowding and infrastructure collapse worsen lung conditions.
- Effective healthcare delivery in disasters requires proactive planning.
Conclusions:
- Anticipating pulmonary complications is vital for disaster preparedness.
- Reviewing past events informs strategies for future disaster health management.
- Addressing lung health is a key component of effective disaster response.