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Related Concept Videos

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 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...
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...
Endocarditis I: Introduction01:25

Endocarditis I: Introduction

Introduction:Endocarditis is the infection of the endocardium, the inner lining of the heart and its valves. When the heart muscle is involved, the condition is termed myocarditis, while an infection of the outer lining is called pericarditis. Infective endocarditis (IE) primarily affects the endocardium, where pathogens adhere to the valves or lining, forming vegetation that can lead to severe complications. Infective endocarditis occurs when microorganisms, usually bacteria from other body...
Chronic Obstructive Pulmonary Disease II: Emphysema01:23

Chronic 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.
Acute Pyelonephritis I: Introduction01:27

Acute Pyelonephritis I: Introduction

Pyelonephritis is a bacterial infection that primarily affects the renal parenchyma and collecting system, including the renal pelvis, tubules, and interstitial tissue of one or both kidneys. It can be classified as either acute—a sudden, severe infection—or chronic, which refers to long-term or recurrent kidney infections.The primary cause of acute pyelonephritis (APN) is bacterial infection, with Escherichia coli accounting for approximately 70-80% of cases. Other bacteria, such as Proteus,...

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Related Experiment Videos

Empyema caused by eikenella corrodens.

Joshy Maducolil Easow1, Noyal Mariya Joseph, Rashmi Tuladhar

  • 1Department of Microbiology, Mahatma Gandhi Medical College and Research Institute, Pillaiyarkuppam, Pondicherry, India.

Journal of Global Infectious Diseases
|September 3, 2011
PubMed
Summary
This summary is machine-generated.

Eikenella corrodens, a bacterium from the mouth, caused a rare empyema in an 83-year-old Nepali man. Prompt treatment with drainage and antibiotics led to recovery.

Keywords:
Eikenella corrodensEmpyemaIsolationTreatment

Related Experiment Videos

Area of Science:

  • Infectious Diseases
  • Microbiology
  • Pulmonology

Background:

  • Eikenella corrodens is a Gram-negative bacillus commonly found in oral and respiratory flora.
  • It is increasingly recognized as an opportunistic pathogen causing diverse infections.
  • Pleuropulmonary infections, including empyema, are uncommon manifestations.

Observation:

  • A case of left-sided empyema in an 83-year-old male in Nepal is presented.
  • Eikenella corrodens was isolated in pure culture from pleural aspirate.
  • The patient presented with symptoms consistent with empyema.

Findings:

  • Eikenella corrodens was identified as the causative agent of empyema.
  • The isolate demonstrated pathogenic potential in a human host.
  • Successful treatment involved surgical drainage and targeted antimicrobial therapy.

Implications:

  • This case highlights Eikenella corrodens as a pathogen in pleuropulmonary infections, even in immunocompetent individuals.
  • It underscores the importance of considering Eikenella corrodens in the differential diagnosis of empyema.
  • Challenges in isolating and treating Eikenella corrodens infections are discussed, emphasizing the need for appropriate antibiotic selection.