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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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Tonsillitis I: Introduction01:30

Tonsillitis I: Introduction

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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.
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Three primary contributing factors have been identified.
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Healthcare Associated Infections I: Iatrogenic, Exogenic and Endogenic01:26

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Healthcare-associated infections (HAIs) occur in a healthcare facility while a person receives care for another ailment. This category also includes work-related infections among healthcare staff.
HAIs significantly increase the cost of health care. Extended stays in healthcare institutions, increased disability, increased costs of medications, including specialized antibiotics, and prolonged recovery times add to the patient's expenses and the healthcare institution and funding bodies.
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Tonsillitis II: Management01:26

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This lesson will focus on the different treatment options for managing tonsillitis, which typically depend on the cause and severity.
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Stages of Infection01:26

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Stages of infection describe what happens to a susceptible host once a pathogen invades the human body. The stages of infection are incubation, prodromal, illness, stage of decline, and convalescence. The incubation stage is the period from exposure to a pathogen until symptoms start. The infected person is unaware of impending illness as the pathogens grow and multiply within the body. The duration may vary depending on the type of infection. The incubation period of measles averages ten to...
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Increased Body Temperature01:25

Increased Body Temperature

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A body temperature above  38°C  (100.4 °F) is known as fever or pyrexia, and a person with fever is termed 'febrile.' Typically, the hypothalamus, a part of the brain that acts as the body's thermostat, regulates body temperature through a thermoregulatory setpoint. It receives signals from cold and warm thermal receptors throughout the body and adjusts the body's temperature accordingly. Fever occurs when this hypothalamic setpoint is altered, usually in...
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Updated: May 30, 2025

3D-Neuronavigation In Vivo Through a Patient's Brain During a Spontaneous Migraine Headache
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Headache in infections.

Rithvik Ramesh1, Lakshmi Narasimhan Ranganathan

  • 1Department of Neurology, Sri Ramachandra Institute of Higher Education and Research, Porur, Chennai, India.

Current Opinion in Neurology
|January 29, 2025
PubMed
Summary
This summary is machine-generated.

Headaches linked to infections vary widely. Understanding their diverse causes and mechanisms is key for accurate diagnosis and effective management of these secondary headaches.

Keywords:
encephalitisheadacheinfectionmeningitis

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Area of Science:

  • Neurology
  • Infectious Diseases
  • Headache Medicine

Background:

  • Headaches are common symptoms in infections but often overlooked.
  • Secondary headaches due to infections require accurate diagnosis and management.
  • Understanding infection-related headaches is crucial for clinical practice.

Purpose of the Study:

  • To review the phenomenology, pathogenesis, and nosology of headaches associated with infections.
  • To highlight the clinical patterns and mechanisms of infection-induced headaches.
  • To differentiate infection-related headaches from primary headache disorders.

Main Methods:

  • Literature review of studies on headaches in infectious diseases.
  • Analysis of the clinical presentation, underlying mechanisms, and classification of infection-related headaches.
  • Exploration of pathogen-specific headache characteristics.

Main Results:

  • Headaches in infections are ubiquitous, with varied presentation, severity, and mechanisms.
  • Key mechanisms include elevated intracranial pressure, meningeal irritation, and trigeminovascular system activation.
  • Postinfectious headache syndromes, especially after meningitis and SARS-CoV-2, necessitate long-term follow-up.

Conclusions:

  • Diverse presentations of infection-related headaches require a systematic diagnostic approach.
  • Understanding complex pathophysiology aids in distinguishing secondary from primary headaches.
  • Recognition of pathogen-specific mechanisms can guide clinical management.