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Related Concept Videos

Pneumonia I: Introduction01:30

Pneumonia I: Introduction

221
Pneumonia is an acute respiratory infection that targets the lungs, specifically the alveoli. These tiny air sacs, essential for oxygen exchange, become engorged with pus and fluid, severely hindering breathing, decreasing oxygen absorption, and causing significant pain and discomfort during respiration.
Risk Factors
Various factors influence the likelihood of developing pneumonia. Age plays a crucial role, with infants, children under two, and individuals over 65 at increased risk due to their...
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Pneumonia II: Pathophysiology01:29

Pneumonia II: Pathophysiology

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The pathophysiology of pneumonia involves the following steps:
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Pulmonary Tuberculosis I01:29

Pulmonary Tuberculosis I

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Tuberculosis, often called TB, is a contagious illness primarily caused by Mycobacterium tuberculosis. It mainly affects the lung parenchyma but can also impact other body parts.
Causative Organism
The primary infectious agent causing tuberculosis is Mycobacterium tuberculosis, a slow-growing, acid-fast, aerobic rod that exhibits sensitivity to heat and ultraviolet light. Instances of Mycobacterium bovis and Mycobacterium avium contributing to the development of TB infection are rare.
Mode of...
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Pulmonary Tuberculosis II01:28

Pulmonary Tuberculosis II

217
Tuberculosis, or TB, is a bacterial infectious disease caused by Mycobacterium tuberculosis. While its primary impact is on the lungs, leading to pulmonary tuberculosis, it can also affect various other organs, a condition referred to as extrapulmonary tuberculosis.
Here is a detailed explanation of its pathophysiology:
Transmission: The process begins when a person inhales droplet nuclei containing M. tuberculosis. These are typically released into the air when an individual with pulmonary or...
217
Other Pulmonary Disorders01:17

Other Pulmonary Disorders

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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.
827
Pulmonary Cycle: Exhalation01:17

Pulmonary Cycle: Exhalation

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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...
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Author Spotlight: Advancing Pathogen Detection and Disease Assessment in Real-Time Using M-ROSE
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Author Spotlight: Advancing Pathogen Detection and Disease Assessment in Real-Time Using M-ROSE

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Pulmonary Infection.

Jennifer Febbo1, Farouk Dako2

  • 1Department of Radiology, University of New Mexico, 2211 Lomas Boulevard NE, Albuquerque, NM 87106, USA.

Clinics in Chest Medicine
|May 30, 2024
PubMed
Summary
This summary is machine-generated.

Pneumonia, a common lung infection, causes significant illness and death. Identifying the causative organism through imaging patterns on chest X-rays and CT scans aids radiologists in diagnosing pulmonary infections.

Keywords:
Computed tomographyPneumoniaPulmonary infection

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Area of Science:

  • Radiology
  • Infectious Diseases
  • Pulmonology

Background:

  • Pneumonia is a major cause of illness and death in both community and hospital settings.
  • Various pathogens, including bacteria, viruses, mycobacteria, and fungi, can cause pneumonia.
  • Accurate diagnosis is crucial for effective treatment and patient outcomes.

Purpose of the Study:

  • To correlate imaging findings of pneumonia with specific causative organisms.
  • To provide an organism-based approach for interpreting pulmonary infection imaging.
  • To enhance diagnostic accuracy in pneumonia assessment.

Main Methods:

  • Review of chest radiographs and computed tomography scans in patients with pneumonia.
  • Correlation of imaging patterns with confirmed causative pathogens.
  • Categorization of imaging findings based on bacterial, viral, mycobacterial, and fungal etiologies.

Main Results:

  • Distinct imaging patterns are associated with different types of pneumonia pathogens.
  • Radiographic and CT findings can suggest specific causative organisms.
  • An organism-based imaging approach aids in differential diagnosis.

Conclusions:

  • Understanding organism-specific imaging patterns improves pneumonia diagnosis.
  • Radiologists can utilize imaging to infer the causative agent of pulmonary infection.
  • This approach supports targeted antimicrobial therapy and better patient management.