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Related Concept Videos

Cellular Injury IV: Necrosis01:16

Cellular Injury IV: Necrosis

Necrosis is a form of irreversible cell death caused by severe injury such as ischemia, toxins, or trauma. Unlike programmed cell death, it is an uncontrolled, pathological process that typically provokes inflammation in surrounding tissues.Pathophysiologic ChangesNecrosis begins when cells sustain critical damage, leading to swelling of organelles, particularly mitochondria, and rapid ATP depletion. As energy levels decline, membrane ion pumps fail, leading to calcium influx and eventually,...
Necrosis01:16

Necrosis

Necrosis is considered as an “accidental” or unexpected form of cell death that ends in cell lysis. The first noticeable mention of “necrosis” was in 1859 when Rudolf Virchow used this term to describe advanced tissue breakdown in his compilation titled “Cell Pathology”.
Morphological Manifestations of Necrosis
Necrotic cells show different types of morphological appearance depending on the type of tissue and infection. In coagulative necrosis, cells become anucleated and die, but their...
Staphylococcal Skin Infections01:29

Staphylococcal Skin Infections

Staphylococcus aureus is a Gram-positive coccus that resides harmlessly on the skin and mucous membranes of healthy individuals. When the skin barrier is breached, it can shift from a commensal to an opportunistic pathogen. This transition is facilitated by surface adhesins, such as clumping factor B and S. aureus surface protein G (SasG), which bind to structural proteins, including loricrin and cytokeratin, in the damaged epidermis. Protein A, another key factor, binds the Fc region of...
Endocarditis I: Introduction01:25

Endocarditis I: Introduction

Introduction:Endocarditis is the infection of the endocardium, the inner lining of the heart and its valves. When the heart muscle is involved, the condition is termed myocarditis, while an infection of the outer lining is called pericarditis. Infective endocarditis (IE) primarily affects the endocardium, where pathogens adhere to the valves or lining, forming vegetation that can lead to severe complications. Infective endocarditis occurs when microorganisms, usually bacteria from other body...
Skin Diseases and Disorders01:23

Skin Diseases and Disorders

Skin is the first line of defense and encounters a variety of microbes. Some pathogenic strains are often the cause of a broad range of infections of the skin and other body systems. These conditions can affect people of all ages and may have different causes, including genetic factors, infections, autoimmune reactions, environmental factors, and lifestyle choices.
Gram-positive Staphylococcus spp. and Streptococcus spp. are responsible for many of the most common skin infections. However, many...
Appendicitis01:19

Appendicitis

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Related Experiment Videos

Necrotizing fasciitis.

Nazreen Jamal1, Stephen J Teach

  • 1Division of Emergency Medicine, Children's National Medical Center, Washington, DC 20010, USA.

Pediatric Emergency Care
|December 14, 2011
PubMed
Summary
This summary is machine-generated.

Necrotizing fasciitis (NF) is a severe bacterial infection, often missed due to similar symptoms. Early surgical debridement is crucial for survival in this pediatric and adult condition.

Related Experiment Videos

Area of Science:

  • Infectious Diseases
  • Pediatric Surgery
  • Bacteriology

Background:

  • Necrotizing fasciitis (NF) is a rare, aggressive bacterial soft tissue infection.
  • It presents a significant risk of morbidity and mortality in both pediatric and adult patients.
  • Group A Streptococcus is the most frequent cause of monomicrobial NF.

Purpose of the Study:

  • To emphasize the diagnostic challenges of necrotizing fasciitis.
  • To highlight the critical role of early intervention in managing this severe infection.
  • To underscore the importance of prompt therapeutic measures for improved patient outcomes.

Main Methods:

  • Diagnosis of NF is primarily clinical, often posing challenges in early differentiation from common soft tissue infections.
  • Surgical debridement is the gold standard for both diagnosis and treatment.
  • Prompt initiation and completion of therapy are paramount.

Main Results:

  • Early clinical diagnosis of NF is frequently delayed due to its resemblance to less severe infections.
  • Surgical intervention is the cornerstone of effective management.
  • Timely treatment directly correlates with better patient prognosis.

Conclusions:

  • Necrotizing fasciitis requires high clinical suspicion for early detection.
  • Rapid surgical debridement and timely therapy are essential to reduce mortality and morbidity.
  • Prompt recognition and intervention are critical for managing this devastating disease.