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Related Concept Videos

Urinary Tract Infection II: Pathophysiology01:25

Urinary Tract Infection II: Pathophysiology

The pathophysiology of urinary tract infections (UTIs) encompasses several progressive stages, beginning with bacterial colonization and culminating in potential systemic complications if untreated. UTIs are primarily initiated by bacteria, such as Escherichia coli, which often originate from the gastrointestinal tract and migrate to the urinary system through the periurethral area. This migration can occur via several routes, including improper hygiene practices, sexual activity, or...
Urinary Tract Infection I: Introduction01:26

Urinary Tract Infection I: Introduction

Urinary tract infections (UTIs) impact various parts of the urinary system, including the kidneys, ureters, bladder, and urethra. These infections are generally bacterial, with Escherichia coli being the most common causative agent, often originating from the gastrointestinal tract. However, other bacteria, such as Staphylococcus saprophyticus, Klebsiella pneumoniae, and Proteus mirabilis, are also known to cause UTIs. The type, location, and underlying complexity of the UTI guide both...
Acute Pyelonephritis II: Diagnostic Studies and Management01:28

Acute Pyelonephritis II: Diagnostic Studies and Management

Introduction:For diagnosing acute pyelonephritis, a comprehensive patient history is collected to identify symptoms such as dysuria, frequent or urgent urination, flank pain, or costovertebral angle (CVA) tenderness that may suggest a kidney infection.Physical ExaminationDuring the physical examination, CVA tenderness is assessed. This involves gentle percussion over the costovertebral angle, where tenderness often indicates a kidney infection.Diagnostic TestsUrinalysis: Used to identify white...
Peripheral Arterial Disease II: Clinical Manifestations and Diagnostic Evaluation01:21

Peripheral Arterial Disease II: Clinical Manifestations and Diagnostic Evaluation

Clinical manifestationsPeripheral Arterial Disease (PAD) manifests through a range of symptoms, from the characteristic intermittent claudication to atypical presentations and severe complications in advanced stages. Intermittent claudication, a hallmark symptom of PAD, presents as exercise-induced muscle pain that typically resolves within minutes of rest. This pain is reproducible and stems from inadequate blood flow, leading to the accumulation of lactic acid produced during anaerobic...
Acute Pyelonephritis I: Introduction01:27

Acute Pyelonephritis I: Introduction

Pyelonephritis is a bacterial infection that primarily affects the renal parenchyma and collecting system, including the renal pelvis, tubules, and interstitial tissue of one or both kidneys. It can be classified as either acute—a sudden, severe infection—or chronic, which refers to long-term or recurrent kidney infections.The primary cause of acute pyelonephritis (APN) is bacterial infection, with Escherichia coli accounting for approximately 70-80% of cases. Other bacteria, such as Proteus,...
Endocarditis II: Clinical Features of Infective Endocarditis01:25

Endocarditis II: Clinical Features of Infective Endocarditis

Endocarditis can present various clinical features depending on the causative organism and the patient's underlying health conditions. Initially, the clinical features of infective endocarditis develop gradually, presenting with nonspecific symptoms that can be easily mistaken for other illnesses.General SymptomsEarly symptoms of infective endocarditis are fever, chills, weakness, malaise, fatigue, and weight loss. These symptoms reflect the systemic nature of the infection and the body's...

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Related Experiment Videos

Lower limb cellulitis and its mimics: part I. Lower limb cellulitis.

Jan V Hirschmann1, Gregory J Raugi

  • 1Department of Dermatology, Veterans Affairs Puget Sound Health Care System and University of Washington School of Medicine, Seattle, Washington 98108, USA. gregory.raugi@va.gov

Journal of the American Academy of Dermatology
|July 17, 2012
PubMed
Summary

Lower limb cellulitis is increasing due to aging and obesity. Management requires antibiotics and addressing risk factors like venous insufficiency and edema.

Related Experiment Videos

Area of Science:

  • Infectious Diseases
  • Dermatology
  • Epidemiology

Background:

  • Lower limb cellulitis incidence is rising, linked to an aging population and increased obesity rates.
  • Key predisposing factors include advanced age, obesity, venous insufficiency, prior saphenous venectomy, and edema.
  • Streptococci are the primary causative pathogens, often originating from interdigital toe spaces.

Purpose of the Study:

  • To summarize the epidemiology of lower limb cellulitis.
  • To outline the effective management and treatment strategies for lower limb cellulitis.
  • To highlight the importance of addressing predisposing factors in managing this infection.

Main Methods:

  • Review of epidemiological data on lower limb cellulitis.
  • Summary of common pathogens and their sources.
  • Analysis of current treatment guidelines and management approaches.

Main Results:

  • Aging and obesity are significant contributors to the increasing incidence of lower limb cellulitis.
  • Older age, obesity, venous insufficiency, saphenous venectomy, and edema are critical predisposing factors.
  • Streptococci are the most frequent pathogens, with interdigital spaces being a common reservoir.

Conclusions:

  • Effective management necessitates appropriate antibiotic therapy.
  • Addressing underlying predisposing factors is crucial for successful treatment and prevention of recurrence.
  • This article provides a comprehensive overview of cellulitis epidemiology and treatment.