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Related Concept Videos

Acute Pharyngitis01:30

Acute Pharyngitis

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:
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,...
Tonsillitis II: Management01:26

Tonsillitis II: Management

This lesson will focus on the different treatment options for managing tonsillitis, which typically depend on the cause and severity.
Streptococcal Pharyngitis01:27

Streptococcal Pharyngitis

Streptococcal pharyngitis, commonly known as “strep throat,” is an acute infection of the oropharyngeal tissues caused by the Gram‑positive Group A Streptococcus (Streptococcus pyogenes). Transmission occurs primarily through respiratory droplets expelled during coughing, sneezing, or talking.Mechanisms of Host Entry and Immune EvasionUpon entering the host, S. pyogenes adheres to the mucosal epithelial cells of the pharynx via surface proteins, notably lipoteichoic acid and the antiphagocytic...
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.
Sputum Studies II: Culture and Sensitivity01:20

Sputum Studies II: Culture and Sensitivity

Description
Sputum culture and sensitivity is a medical procedure used to diagnose bacterial infections in the respiratory tract and select the most appropriate antibiotics for treatment. This process involves analyzing sputum samples of thick and opaque secretions produced in the lungs and airways. These samples are collected from patients and then sent to the laboratory for analysis.
The test can identify various pathogens responsible for respiratory infections, including Streptococcus,...

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Related Experiment Video

Updated: Jun 9, 2026

Examination of Oral Candida Infection in Primary Sjögren's Syndrome Patients
05:26

Examination of Oral Candida Infection in Primary Sjögren's Syndrome Patients

Published on: March 1, 2024

The patient with sore throat.

Teresa V Chan1

  • 1Department of Otolaryngology-Head and Neck Surgery, University of Texas Southwestern Medical Center at Dallas, 5323 Harry Hines Boulevard, Dallas, TX 75390-9035, USA. Teresa.chan@utsouthwestern.edu

The Medical Clinics of North America
|August 26, 2010
PubMed
Summary

A sore throat diagnosis can be narrowed by a directed history focusing on symptoms and duration. This helps differentiate common viral pharyngitis from serious conditions like supraglottitis or cancer.

Area of Science:

  • Medicine
  • Otolaryngology
  • Internal Medicine

Background:

  • Sore throat is a frequent reason for medical visits across various specialties.
  • The range of potential causes for sore throat is extensive.
  • Effective diagnosis relies on a systematic approach to patient history.

Purpose of the Study:

  • To outline a diagnostic strategy for sore throat.
  • To emphasize the importance of history-taking in differential diagnosis.
  • To differentiate common sore throat causes from more serious conditions.

Main Methods:

  • Utilizing a directed patient history.
  • Analyzing associated symptoms and their duration.
  • Correlating clinical presentation with potential etiologies.

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CO2-Lasertonsillotomy Under Local Anesthesia in Adults
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CO2-Lasertonsillotomy Under Local Anesthesia in Adults

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Examination of Oral Candida Infection in Primary Sjögren's Syndrome Patients
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CO2-Lasertonsillotomy Under Local Anesthesia in Adults
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Main Results:

  • A focused history can reduce the differential diagnosis to 2-3 likely causes.
  • Distinguishing viral pharyngitis and tonsillitis from critical diagnoses like supraglottitis or cancer is feasible.
  • Infectious, inflammatory, and neoplastic factors are primary causes of sore throat.

Conclusions:

  • A thorough medical history is crucial for efficient sore throat diagnosis.
  • Early differentiation aids in appropriate patient management and treatment.
  • Understanding the broad differential is key for emergency and primary care physicians.