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Related Concept Videos

Acute Pharyngitis01:30

Acute Pharyngitis

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Introduction
Acute pharyngitis is the inflammation of the back of the throat (pharynx), commonly resulting in a sore throat. It is a frequently encountered condition that prompts individuals to seek medical advice.
Classification
Acute pharyngitis can be categorized based on its underlying cause:
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Acute Respiratory Failure-V01:29

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The treatment for acute respiratory failure varies based on factors like the underlying cause, overall health, and severity. A collaborative healthcare team is essential for early detection, often through arterial blood gas analysis. Identifying the cause is the primary goal, with treatment strategies adjusted for ventilation/perfusion (V/Q) mismatch, shunting, or diffusion impairment.
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Acute Respiratory Failure-II01:21

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Type I Respiratory Failure, or hypoxemic respiratory failure, occurs when the partial pressure of oxygen (PaO2) in arterial blood falls below 60 mmHg while breathing room air without a corresponding increase in arterial carbon dioxide levels (PaCO2). This condition highlights a significant impairment in the lungs' capacity to oxygenate the blood.
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Influenza01:27

Influenza

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Influenza is an acute, highly communicable viral disease that affects the respiratory tract and is responsible for seasonal epidemics worldwide. Influenza A is the most prevalent type associated with widespread outbreaks and is subtyped based on two surface glycoproteins: hemagglutinin (H) and neuraminidase (N), as in H1N1. These glycoproteins are essential for viral infectivity, transmission, and immune recognition. Transmission occurs primarily through respiratory droplets and contaminated...
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Diphtheria01:28

Diphtheria

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Diphtheria is an acute, toxin-mediated infectious disease that primarily affects the upper respiratory tract. It is caused by Corynebacterium diphtheriae, a Gram-positive, pleomorphic rod that lacks spore-forming capability and exhibits a characteristic club-shaped morphology under microscopic examination. While C. diphtheriae can asymptomatically colonize mucosal surfaces, clinical disease manifests only when the bacterial strain is lysogenized by a specific β-corynephage. This phage...
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Atypical Pneumonia01:14

Atypical Pneumonia

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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...
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Related Experiment Video

Updated: May 4, 2026

Use of the EpiAirway Model for Characterizing Long-term Host-pathogen Interactions
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Use of the EpiAirway Model for Characterizing Long-term Host-pathogen Interactions

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Adult acute epiglottitis.

U D Arumainathan1, S C Siow, S T Subha

  • 1University Malaya Medical Centre, Dept. of Otolaryngology, 50603 Kuala Lumpur, Malaysia.

The Medical Journal of Malaysia
|December 12, 2013
PubMed
Summary
This summary is machine-generated.

Acute epiglottitis, a potentially fatal condition, can occur in adults. This summary highlights two cases of adult acute epiglottitis presenting with severe sore throat but a normal oropharynx, emphasizing diagnostic awareness.

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A Robust Pneumonia Model in Immunocompetent Rodents to Evaluate Antibacterial Efficacy against S. pneumoniae, H. influenzae, K. pneumoniae, P. aeruginosa or A. baumannii
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Area of Science:

  • Emergency Medicine
  • Otolaryngology

Background:

  • Acute epiglottitis is a rapidly progressing condition primarily documented in pediatric populations.
  • It poses a significant risk of fatal acute upper airway obstruction.

Purpose of the Study:

  • To describe two cases of adult acute epiglottitis.
  • To highlight the potential for severe symptoms with a deceptively normal oropharyngeal appearance in adults.

Main Methods:

  • Case report presentation.
  • Clinical description of two adult patients diagnosed with acute epiglottitis.

Main Results:

  • Both adult patients presented with severe sore throat.
  • Oropharyngeal examination revealed a normal appearance in both cases, despite severe symptoms.

Conclusions:

  • Adult acute epiglottitis can present atypically with a normal oropharynx.
  • Increased clinical suspicion is crucial for diagnosing adult acute epiglottitis, even without visible epiglottic swelling.