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Pneumonia I: Introduction

Pneumonia I: Introduction

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...

Pneumonia III: Complications and Assessment

Pneumonia III: Complications and Assessment

Pneumonia poses the potential for numerous complications that warrant consideration. These complications include the following:

Pneumonia II: Pathophysiology

Pneumonia II: Pathophysiology

The pathophysiology of pneumonia involves the following steps:

Pneumonia V: Nursing management and Prevention

Pneumonia V: Nursing management and Prevention

Nursing management of pneumonia involves promoting airway patency, facilitating rest and conserving energy, encouraging fluid intake, maintaining nutrition, and educating patients.
The nurse must practice strict medical asepsis and adhere to infection control guidelines to minimize healthcare-associated infections.
Enhance airway patency
Position the patient correctly to facilitate drainage of the affected lung segments. Manual or mechanical percussion and vibration can also be employed....

Pneumonia IV: Management

Pneumonia IV: Management

The treatment of pneumonia varies based on its severity and the causative pathogen. Here is a structured approach to managing pneumonia, integrating pharmaceutical and supportive care strategies.
Bacterial Pneumonia Treatment
For bacterial pneumonia, antibiotics serve as the cornerstone of therapy. Initial treatment often begins with empirical antibiotics, tailored to the anticipated causative organism and adjusted based on culture results. Key antibiotic choices include:

Pulmonary Cycle: Exhalation

Pulmonary 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...

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Updated: Oct 30, 2025

Following in Real Time the Impact of Pneumococcal Virulence Factors in an Acute Mouse Pneumonia Model Using Bioluminescent Bacteria

Following in Real Time the Impact of Pneumococcal Virulence Factors in an Acute Mouse Pneumonia Model Using Bioluminescent Bacteria

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Emergent Pneumonia in Children.

Cecilia Perret¹, Nicole Le Corre¹, Jose A Castro-Rodriguez²

¹Department of Pediatric Infectious Diseases and Immunology, School of Medicine, Pontificia Universidad Católica de Chile, Santiago, Chile.

Frontiers in Pediatrics

|July 5, 2021

Summary

Emerging pathogens cause pneumonia in adults and children. This review classifies these pathogens as true emerging, re-emerging, or old known with new presentations, aiding in diagnosis and treatment.

Keywords:

COVID - 19 children emerging respiratory pathogens pneumonia - clinical features and management re-emerging respiratory pathogens

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Published on: April 7, 2015

Area of Science:

Pediatric Infectious Diseases
Microbiology
Epidemiology

Background:

Pneumonia is increasingly caused by emerging pathogens in both adults and children.
Understanding these pathogens is crucial for effective public health strategies.
This article categorizes emerging pathogens for clarity.

Purpose of the Study:

To classify emerging pneumonia pathogens affecting humans.
To compare the epidemiology, presentation, therapy, and prognosis in children versus adults.
To facilitate recognition, appropriate treatment, and control of emerging infectious diseases.

Main Methods:

Classification of pathogens into three categories: true emerging, re-emerging, and old known with new presentations.
Review of epidemiological data, clinical presentations, therapeutic approaches, and prognoses.
Comparative analysis between pediatric and adult populations.

Main Results:

Identified "true emerging" pathogens (e.g., SARS-CoV-2, MERS-CoV, avian influenza).
Detailed "re-emerging" pathogens (e.g., measles, tuberculosis, resistant bacteria like CA-MRSA, Mycoplasma pneumoniae).
Highlighted "old known with new presentations" (e.g., rhinovirus, non-SARS coronaviruses).

Conclusions:

Accurate classification aids in understanding the evolving landscape of pneumonia-causing pathogens.
Recognizing differences in presentation and prognosis between children and adults is vital.
Effective control measures and targeted therapies depend on timely pathogen identification.