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Related Concept Videos

Acute Inflammation III: Local and Systemic Effects01:25

Acute Inflammation III: Local and Systemic Effects

Acute inflammation produces a coordinated set of local and systemic changes that limit injury, eliminate pathogens, and initiate repair. These responses arise within minutes of infection, trauma, or chemical insult and are driven by vascular alterations and leukocyte-derived mediators. When the stimulus resolves, the reaction typically abates within days.Local EffectsAt the site of injury, arteriolar vasodilation increases blood flow, resulting in redness and warmth. Simultaneously, increased...
Inflammatory Response I: Vascular and Cellular01:30

Inflammatory Response I: Vascular and Cellular

The inflammatory response is the body's defense against infection, injury, or irritation from bacteria, trauma, toxins, or heat. Inflammation helps locate and destroy pathogens and remove damaged tissue elements to heal the body. During this initial phase, fluid, blood products, and nutrients migrate to the injured area, resulting in redness, heat, swelling, ache, and loss of function. Moreover, signs of systemic inflammation include fever, increased WBC count, malaise, anorexia, nausea,...
Inflammatory Response II: Inflammatory Exudate and Tissue Repair01:24

Inflammatory Response II: Inflammatory Exudate and Tissue Repair

The immune system's inflammatory response destroys the invading pathogen, permitting the tissue to heal. The changes during the cellular and vascular stages allow exudate formation at the site of inflammation. The inflammatory exudate released from the wound has high protein content and a specific gravity above 1.020.
The typical wound exudate is odorless, transparent, straw-colored, thin, and watery. Exudate, however, can differ depending on the state of wound healing. Likewise, the exudate's...
Inflammatory Response01:28

Inflammatory Response

An inflammatory response is a localized, nonspecific immune reaction that occurs when a tissue is injured. It is characterized by redness, swelling, heat, and pain, which are commonly called the cardinal signs and symptoms of inflammation. Inflammation can sometimes result in a loss of function.
Inflammation can be triggered by various stimuli, such as impact, abrasion, chemical irritation, infections, and extreme hot or cold temperatures. These can damage cells and connective tissue fibers,...
Bacterial Meningitis II: Pathophysiology01:26

Bacterial Meningitis II: Pathophysiology

Bacterial meningitis typically begins when pathogens such as Neisseria meningitidis and Streptococcus pneumoniae colonize the nasopharynx and invade the bloodstream. This process is facilitated by bacterial virulence factors, such as polysaccharide capsules, which resist phagocytosis and complement-mediated killing. Less commonly, bacteria reach the central nervous system via contiguous spread from infections like otitis media or sinusitis, through congenital or acquired dural defects, or...
Acute Inflammation I: Inflammatory Response01:26

Acute Inflammation I: Inflammatory Response

Acute inflammation is a rapid, short-lived physiological response to tissue injury or infection, designed to eliminate harmful agents and initiate repair. This tightly regulated process typically lasts from minutes to several days and is triggered by factors such as microbial invasion, physical trauma, or chemical injury.Recognition and Mediator ReleaseThe inflammatory response begins when resident immune cells—such as mast cells, macrophages, and dendritic cells—detect damage-associated...

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Data from the first wave of Covid-19 from the Central Military Hospital, Prague, Czech Republic.

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Pre-exposure prophylaxis, a new approach for HIV prevention: experience from the HIV Center of the Military University Hospital Prague.

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Related Experiment Video

Updated: Jul 16, 2026

Design of Cecal Ligation and Puncture and Intranasal Infection Dual Model of Sepsis-Induced Immunosuppression
07:30

Design of Cecal Ligation and Puncture and Intranasal Infection Dual Model of Sepsis-Induced Immunosuppression

Published on: June 15, 2019

[Sepsis: infection and systemic inflammatory response].

M Holub1

  • 1III. klinika infekcnich a tropických nemocí 1, LF UK a FN Na Bulovce, Praha. michal.holub@lf1.cuni.cz

Casopis Lekaru Ceskych
|March 22, 2007
PubMed
Summary

Sepsis, a severe infection, is rising due to an aging population and complex medical treatments. Understanding sepsis pathogenesis is crucial for developing new therapies beyond current options.

Area of Science:

  • Infectious Diseases
  • Immunology
  • Critical Care Medicine

Context:

  • Sepsis incidence is increasing globally.
  • Aging populations, chronic illnesses, and invasive medicine contribute to rising sepsis rates.
  • Antimicrobial resistance exacerbates sepsis challenges.

Purpose:

  • To highlight the limitations in current sepsis diagnosis and treatment.
  • To emphasize the need for a deeper understanding of sepsis pathogenesis.
  • To explore novel therapeutic strategies targeting delayed pathogenetic mechanisms.

Summary:

  • Sepsis involves a systemic inflammatory response that can lead to organ failure.
  • The balance between pro-inflammatory and anti-inflammatory responses is critical in sepsis.

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A Reproducible Intensive Care Unit-Oriented Endotoxin Model in Rats
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Design of Cecal Ligation and Puncture and Intranasal Infection Dual Model of Sepsis-Induced Immunosuppression
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Design of Cecal Ligation and Puncture and Intranasal Infection Dual Model of Sepsis-Induced Immunosuppression

Published on: June 15, 2019

A Reproducible Intensive Care Unit-Oriented Endotoxin Model in Rats
05:56

A Reproducible Intensive Care Unit-Oriented Endotoxin Model in Rats

Published on: February 20, 2021

  • Existing immunotherapies have shown limited success due to narrow therapeutic windows.

    • Impact:

    • Improved understanding of sepsis pathogenesis may lead to more effective treatments.
    • Development of therapies targeting later stages of sepsis could improve patient outcomes.
    • Current treatments like corticosteroids and activated protein C modulate known mechanisms.