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Related Concept Videos

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...
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...
Endocarditis III: Medical Management01:18

Endocarditis III: Medical Management

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...
Endocarditis IV: Nursing Management01:29

Endocarditis IV: Nursing Management

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...
Myocarditis I: Introduction01:21

Myocarditis I: Introduction

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...
Pericarditis I: Introduction01:22

Pericarditis I: Introduction

Pericarditis is defined as the inflammation of the pericardium, the thin, sac-like membrane surrounding the heart. This condition can cause significant chest pain and other symptoms, often necessitating medical intervention. The pericardium has two layers: the inner visceral layer and the outer parietal layer, separated by a small amount of fluid that reduces friction during heartbeats.Types of PericarditisPericarditis can be classified into several types based on the duration and nature of the...

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Related Experiment Video

Updated: Jul 5, 2026

Neisseria meningitidis Infection of Induced Pluripotent Stem-Cell Derived Brain Endothelial Cells
10:12

Neisseria meningitidis Infection of Induced Pluripotent Stem-Cell Derived Brain Endothelial Cells

Published on: July 14, 2020

Chiari network endocarditis: not just an innocent bystander.

Negareh Mousavi1, Kapil Bhagirath, Vignendra Ariyarajah

  • 1Section of Cardiology, Department of Cardiac Sciences, University of Manitoba, Winnipeg, Manitoba, Canada.

Echocardiography (Mount Kisco, N.Y.)
|May 16, 2008
PubMed
Summary

A Chiari network, a rare right atrial remnant, complicated infective endocarditis in a 67-year-old male. Surgical intervention was required due to persistent vegetations on the tricuspid valve and Chiari network.

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Last Updated: Jul 5, 2026

Neisseria meningitidis Infection of Induced Pluripotent Stem-Cell Derived Brain Endothelial Cells
10:12

Neisseria meningitidis Infection of Induced Pluripotent Stem-Cell Derived Brain Endothelial Cells

Published on: July 14, 2020

Area of Science:

  • Cardiology
  • Pathology

Background:

  • Chiari's network is a congenital remnant of the sinus venosum valve, found in about 2% of the population.
  • Infective endocarditis involves infection of the heart's inner lining or valves.

Observation:

  • A 67-year-old male presented with acute infective endocarditis of the tricuspid valve caused by coagulase-negative Staphylococci.
  • Despite two weeks of antimicrobial therapy, the patient remained febrile with septic pulmonary emboli.

Findings:

  • Transthoracic echocardiography revealed persistent vegetations on the tricuspid valve.
  • These vegetations extended onto the Chiari network, a rare anatomical variant in the right atrium.

Implications:

  • The presence of Chiari's network can complicate infective endocarditis management.
  • Surgical intervention may be necessary when vegetations involve anatomical variants like Chiari's network.