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Related Concept Videos

Respiratory Syncytial Virus Disease01:29

Respiratory Syncytial Virus Disease

Human respiratory syncytial virus (RSV) is a widespread pathogen that primarily targets infants and young children but also poses a serious health risk to elderly and immunocompromised individuals. Belonging to the Pneumoviridae family, RSV is a negative-sense, single-stranded RNA virus within the Pneumovirus genus. Its global health burden is significant, with millions of cases annually resulting in hospitalizations and mortality, particularly in resource-limited settings. Although most...
Chronic Pharyngitis01:23

Chronic Pharyngitis

Chronic pharyngitis refers to persistent inflammation of the pharyngial mucosa.
Etiology
It often arises from persistent viral or bacterial infections affecting sinuses and tonsils.
Additional contributing factors include inadequate dental hygiene, mouth breathing, recurring tonsillitis, allergic rhinitis, laryngopharyngeal reflux, and exposure to smoke, chemicals, and other environmental pollutants. Allergic reactions to pollen, mold, and pet dander, chronic cough, excessive voice usage,...
Larynx01:21

Larynx

The human larynx, often referred to as the voice box, is an intricate organ located in the neck. It serves as a pathway for air to enter the lungs during respiration and is an essential component of voice production.
Anatomy of the Larynx
The larynx consists of various components, including cartilage, muscles, and vocal cords. Its structure includes three large unpaired cartilages—the thyroid, cricoid, and epiglottis—and three smaller paired cartilages—the arytenoids, corniculates, and...
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...
Pulmonary Cycle: Exhalation01:17

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...
Tonsillitis I: Introduction01:30

Tonsillitis I: Introduction

Tonsillitis is inflammation of the tonsils, which are two lymphoid tissue masses at the back of the throat. This condition can cause discomfort and irritation in the throat.
Etiology
Three primary contributing factors have been identified.

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Related Experiment Videos

Membranous laryngitis in a child.

Michael Somenek1, Marissa Le, David L Walner

  • 1Rush University Medical Center, 1653 W Congress Parkway, Department of Otolaryngology, Chicago, IL 60612, USA. michael_somenek@rush.edu

International Journal of Pediatric Otorhinolaryngology
|April 20, 2010
PubMed
Summary
This summary is machine-generated.

This study details a rare case of pediatric upper airway obstruction caused by Methicillin-resistant Staphylococcus Aureus (MRSA) membranous laryngitis. Early diagnosis via endoscopy and targeted antibiotics were crucial for recovery.

Related Experiment Videos

Area of Science:

  • Pediatric Infectious Diseases
  • Otolaryngology
  • Critical Care Medicine

Background:

  • Acute infectious airway obstruction in children commonly results from epiglottitis, croup, or bacterial tracheitis.
  • These conditions require prompt diagnosis and management to prevent severe complications.

Observation:

  • A unique case of pediatric upper airway obstruction was observed, distinct from typical presentations.
  • The patient exhibited symptoms not fully consistent with epiglottitis, croup, or bacterial tracheitis.

Findings:

  • Membranous laryngitis due to Methicillin-resistant Staphylococcus Aureus (MRSA) was diagnosed via endoscopy and culture.
  • This represents the first reported case of MRSA-induced membranous laryngitis in a child.
  • The condition was successfully treated with culture-directed antibiotics and laryngeal membrane debridement.

Implications:

  • This case expands the differential diagnosis for pediatric upper airway obstruction.
  • Highlights the potential for MRSA to cause unusual laryngeal infections in children.
  • Emphasizes the importance of thorough diagnostic evaluation, including endoscopy, for atypical airway obstruction presentations.