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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...
Rheumatic Heart Disease I: Introduction01:23

Rheumatic Heart Disease I: Introduction

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...
Bacterial Gastroenteritis01:18

Bacterial Gastroenteritis

Bacterial gastroenteritis, characterized by diarrhea, abdominal cramps, and vomiting, is often caused by ingestion of contaminated food or water and is frequently associated with pathogenic Escherichia coli strains. These microbes exploit two principal mechanisms to inflict disease.Shiga toxin–producing E. coli, also referred to as STEC—notably O157:H7—release Shiga toxins that target ribosomes, blocking protein synthesis. The B subunit of the toxin binds the host glycolipid receptor...

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Related Experiment Video

Updated: May 10, 2026

Experimental Endocarditis Model of Methicillin Resistant Staphylococcus aureus (MRSA) in Rat
07:46

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Published on: June 4, 2012

Relapsing endocarditis caused by Enterococcus faecalis forming small colony variants.

Jiri Benes1, Olga Dzupova, Marek Setina

  • 1From the Charles University, Third Faculty of Medicine, Department of Infectious Diseases, Na Bulovce Hospital , Prague.

Scandinavian Journal of Infectious Diseases
|July 2, 2013
PubMed
Summary
This summary is machine-generated.

Small colony variants (SCVs) of Enterococcus faecalis can cause rare native heart endocarditis. This case highlights SCVs in difficult-to-treat infections without predisposing factors.

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Related Experiment Videos

Last Updated: May 10, 2026

Experimental Endocarditis Model of Methicillin Resistant Staphylococcus aureus (MRSA) in Rat
07:46

Experimental Endocarditis Model of Methicillin Resistant Staphylococcus aureus (MRSA) in Rat

Published on: June 4, 2012

Isolation and Large Scale Expansion of Adult Human Endothelial Colony Forming Progenitor Cells
12:17

Isolation and Large Scale Expansion of Adult Human Endothelial Colony Forming Progenitor Cells

Published on: October 28, 2009

Isolation of Endocardial and Coronary Endothelial Cells from the Ventricular Free Wall of the Rat Heart
08:22

Isolation of Endocardial and Coronary Endothelial Cells from the Ventricular Free Wall of the Rat Heart

Published on: April 15, 2020

Area of Science:

  • Microbiology
  • Infectious Diseases
  • Cardiology

Background:

  • Small colony variants (SCVs) are distinct bacterial subpopulations with altered phenotypes, often linked to persistent infections.
  • SCV-associated endocarditis is uncommon and typically occurs in patients with intracardiac devices.

Observation:

  • A rare case of native heart endocarditis was observed.
  • The causative agent was identified as Enterococcus faecalis forming SCVs.

Findings:

  • The patient presented with endocarditis on a native heart valve.
  • No intracardiac devices or other known predisposing factors were identified.
  • Enterococcus faecalis SCVs were confirmed as the etiology.

Implications:

  • This case expands the understanding of SCV pathogenicity in infective endocarditis.
  • It underscores the potential for SCVs to cause severe infections in previously healthy individuals.
  • Highlights the need for considering SCVs in refractory or unusual presentations of bacterial endocarditis.