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Related Concept Videos

Endocarditis I: Introduction01:25

Endocarditis I: Introduction

865
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...
865
Endocarditis II: Clinical Features of Infective Endocarditis01:25

Endocarditis II: Clinical Features of Infective Endocarditis

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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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Endocarditis IV: Nursing Management01:29

Endocarditis IV: Nursing Management

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Infective endocarditis (IE) is a chronic infection of the heart's endocardium, primarily affecting the heart valves. A detailed nursing assessment for a patient with IE involves collecting subjective and objective data to ensure an accurate diagnosis and timely intervention.Subjective DataThe nurse gathers information about the patient's symptoms and complaints during the subjective assessment. Patients with infective endocarditis often report non-specific symptoms that can mimic other...
611
Rheumatic Heart Disease I: Introduction01:23

Rheumatic Heart Disease I: Introduction

991
Rheumatic heart disease or RHD is a chronic condition that results from rheumatic fever, causing permanent damage to the heart valves.Etiology and Risk FactorsIt primarily arises from rheumatic fever, an inflammatory disease that can develop after untreated or inadequately treated group A streptococcal (GAS) pharyngitis. Streptococcus spreads through direct contact with oral or respiratory secretions. While the bacteria are the causative agents, factors like malnutrition, overcrowding, poor...
991
Endocarditis III: Medical Management01:18

Endocarditis III: Medical Management

351
Infective endocarditis management involves a multifaceted approach encompassing infection prevention, lifestyle modifications, pharmacological therapy, and surgical management.Infection Prevention:Hand Hygiene: Thorough handwashing is crucial to prevent the spread of infection. Hand hygiene should be performed regularly, especially before and after using the restroom.Oral Hygiene: Good oral hygiene is essential. It includes brushing teeth immediately after waking up and before bed, flossing...
351
Myocarditis I: Introduction01:21

Myocarditis I: Introduction

628
Myocarditis is inflammation of the myocardium, which is the muscular layer of the heart.EtiologyMyocarditis has a diverse etiology, including a wide range of infectious and non-infectious causes:Infectious CausesViral: Common viruses include Coxsackie A and B, adenovirus, parvovirus B19, enteroviruses, and influenza A.Bacterial: Examples include infections caused by Streptococcus, Staphylococcus, and Mycoplasma species.Rickettsial: Infections like Rocky Mountain spotted fever can result in...
628

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Related Experiment Video

Updated: Apr 18, 2026

An Immunohistopathologic Study to Profile the Folate Receptor Beta Macrophage and Vascular Immune Microenvironment in Giant Cell Arteritis
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Update on endocarditis-associated glomerulonephritis.

Christie L Boils1, Samih H Nasr2, Patrick D Walker1

  • 1Nephropath, Little Rock, Arkansas, USA.

Kidney International
|January 22, 2015
PubMed
Summary
This summary is machine-generated.

Infective endocarditis (IE) commonly causes kidney disease, specifically glomerulonephritis (GN). This study found Staphylococcus infections and tricuspid valve issues are frequent causes of IE-associated GN, often presenting as acute kidney injury.

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Area of Science:

  • Nephrology
  • Infectious Diseases
  • Cardiology

Background:

  • Glomerulonephritis (GN) linked to infective endocarditis (IE) is known but data is dated.
  • Previous studies relied on autopsy findings, necessitating updated biopsy-based research.

Purpose of the Study:

  • To present the largest clinicopathologic series of IE-associated GN using biopsy data.
  • To update understanding of the clinical presentation, microbiology, and histopathology of IE-GN.

Main Methods:

  • Retrospective analysis of 49 patients with biopsy-proven IE-associated GN.
  • Review of clinical data, comorbidities, cardiac valve involvement, causative bacteria, serological markers, and kidney biopsy findings.

Main Results:

  • The most common presentation was acute kidney injury (AKI).
  • Staphylococcus species, particularly in tricuspid valve infections, were the most frequent culprits.
  • Necrotizing and crescentic GN was the predominant biopsy finding (53%), differing from other infection-associated GN patterns.

Conclusions:

  • IE-associated GN typically presents as AKI, often linked to Staphylococcus infections of the tricuspid valve.
  • The characteristic glomerular injury pattern is necrotizing and crescentic GN, distinguishing it from other forms of infection-associated GN.