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Related Concept Videos

Pneumonia I: Introduction01:30

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 I: Introduction01:29

Pneumonia I: Introduction

Pneumonia is an infection of the lower respiratory tract that leads to inflammation of the lung parenchyma, often resulting in the accumulation of inflammatory exudate in the alveoli and airways. Unlike the watery, low-protein fluid exudate in pulmonary edema, the exudate in this case is a thick fluid rich in immune cells, proteins, and debris produced during infection and inflammation.This impairs gas exchange and can lead to consolidation of lung tissue. The infection may be caused by a...
Pneumonia II: Pathophysiology01:29

Pneumonia II: Pathophysiology

The pathophysiology of pneumonia involves the following steps:
Atypical Pneumonia01:14

Atypical Pneumonia

Atypical pneumonia, often caused by Mycoplasma pneumoniae, is a form of pulmonary infection that differs from the classical presentation of bacterial pneumonia in both its cause and clinical symptoms. Mycoplasma pneumoniae is a pleomorphic bacterium notable for its lack of a rigid cell wall. This structural characteristic imparts resistance to beta-lactam antibiotics and significantly influences the bacterium’s behavior within the human host.Other pathogens responsible for the disease include...
Other Pulmonary Disorders01:17

Other 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.
Pulmonary Tuberculosis III01:31

Pulmonary Tuberculosis III

Tuberculosis (TB) is a contagious infection primarily affecting the lung parenchyma but which can also affect other body parts. TB can be classified based on disease development, presentation, and the affected anatomical site.
The first classification is based on the development of the disease, and it includes the following categories:

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Related Experiment Video

Updated: Jun 3, 2026

Simplified Whole Body Plethysmography to Characterize Lung Function During Respiratory Melioidosis
07:27

Simplified Whole Body Plethysmography to Characterize Lung Function During Respiratory Melioidosis

Published on: February 24, 2023

[Pulmonary paragonimiasis].

Julio Gómez-Seco1, Marcel José Rodríguez-Guzmán, María Jesús Rodríguez-Nieto

  • 1Servicio de Neumología, Fundación Jiménez Díaz-Capio, Madrid, España. juliogomezseco2@telefonica.net

Archivos De Bronconeumologia
|March 23, 2011
PubMed
Summary

Paragonimiasis, a parasitic lung infection, should be considered in patients with persistent respiratory symptoms, especially those from endemic regions. Early diagnosis and treatment with praziquantel are crucial for managing this food-borne zoonosis effectively.

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Last Updated: Jun 3, 2026

Simplified Whole Body Plethysmography to Characterize Lung Function During Respiratory Melioidosis
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Simplified Whole Body Plethysmography to Characterize Lung Function During Respiratory Melioidosis

Published on: February 24, 2023

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Right Ventricular Systolic Pressure Measurements in Combination with Harvest of Lung and Immune Tissue Samples in Mice

Published on: January 16, 2013

Area of Science:

  • Parasitology
  • Infectious Diseases
  • Medical Diagnostics

Background:

  • Paragonimiasis is a food-borne zoonotic disease caused by Paragonimus trematodes.
  • While rare in Spain, immigration from endemic areas necessitates its consideration in differential diagnoses.
  • Pulmonary paragonimiasis can mimic other respiratory conditions, complicating diagnosis.

Observation:

  • A case report of a patient from Ecuador residing in Spain for 7 years.
  • The patient presented with active pulmonary tuberculosis upon arrival in Spain.
  • Persistent hemoptysis led to a subsequent diagnosis of pulmonary paragonimiasis.

Findings:

  • Diagnosis confirmed via surgical lung specimen revealing granulomas with Paragonimus eggs.
  • Macroscopic identification of the fluke within a lung cavity solidified the diagnosis.
  • Co-infection with tuberculosis and paragonimiasis was identified.

Implications:

  • Highlights the importance of considering paragonimiasis in patients with relevant travel history and persistent respiratory symptoms.
  • Demonstrates successful management of co-existing pulmonary tuberculosis and paragonimiasis.
  • Emphasizes the role of praziquantel in treating paragonimiasis, even in complex cases.