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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 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 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 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...
Mitral Stenosis III: Medical Management01:26

Mitral Stenosis III: Medical Management

Mitral stenosis, a condition marked by the narrowing of the mitral valve, necessitates an integrated approach for effective management. This approach includes preventative measures, medical therapy, and surgical interventions to reduce symptoms and prevent complications.PreventionPrevention of mitral stenosis primarily focuses on reducing the incidence of bacterial infections, particularly streptococcal infections, which can lead to rheumatic fever and subsequent valvular damage. Timely...
Mitral Stenosis I: Introduction01:22

Mitral Stenosis I: Introduction

Mitral Valve Stenosis (MVS) is a heart condition where the mitral valve narrows, impeding blood circulation from the left atrium to the left ventricle. The etiology and pathophysiology of this condition are multifaceted, leading to a cascade of cardiovascular complications.Causes of Mitral Valve StenosisRheumatic Heart Disease: It is the main cause of mitral valve stenosis, particularly in developing nations. This condition arises from rheumatic fever, an inflammatory illness resulting from...

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Related Experiment Video

Updated: Jun 4, 2026

An In Vitro Model of a Parallel-Plate Perfusion System to Study Bacterial Adherence to Graft Tissues
07:50

An In Vitro Model of a Parallel-Plate Perfusion System to Study Bacterial Adherence to Graft Tissues

Published on: January 7, 2019

Mycobacterial prosthetic valve endocarditis.

Larry M Bush1, Anil Paturi, Fredy Chaparro-Rojas

  • 1University of Miami-Miller School of Medicine, Miami, FL, USA, drlarry561@aol.com.

Current Infectious Disease Reports
|February 11, 2011
PubMed
Summary
This summary is machine-generated.

Prosthetic valve endocarditis (PVE) caused by mycobacteria is a rare, often fatal complication. Early diagnosis and surgical valve replacement with antimicrobial therapy are crucial for managing this challenging infection.

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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

Related Experiment Videos

Last Updated: Jun 4, 2026

An In Vitro Model of a Parallel-Plate Perfusion System to Study Bacterial Adherence to Graft Tissues
07:50

An In Vitro Model of a Parallel-Plate Perfusion System to Study Bacterial Adherence to Graft Tissues

Published on: January 7, 2019

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

Area of Science:

  • Infectious Diseases
  • Cardiology
  • Microbiology

Background:

  • Prosthetic valve endocarditis (PVE) from mycobacteria is a rare but severe complication.
  • Infections occur with both mechanical and biologic valves, often years after surgery.
  • Rapid-growing nontuberculous mycobacteria (NTM) are most frequently implicated.

Purpose of the Study:

  • To highlight the challenges in diagnosing and treating mycobacterial PVE.
  • To emphasize the importance of considering NTM-PVE in culture-negative endocarditis.
  • To outline current treatment strategies for NTM-PVE.

Main Methods:

  • Review of clinical presentations and diagnostic difficulties of NTM-PVE.
  • Discussion of implicated mycobacterial species and presumed sources of infection.
  • Analysis of treatment outcomes, including surgical intervention and antimicrobial therapy.

Main Results:

  • NTM-PVE is difficult to diagnose due to negative blood cultures.
  • Nosocomial contamination of prostheses is the suspected source of infection.
  • High mortality rates are associated with cases precluding surgical intervention.

Conclusions:

  • NTM-PVE requires high clinical suspicion in culture-negative endocarditis patients.
  • Prompt surgical removal of the infected valve is critical.
  • Effective antimicrobial therapy tailored to isolate susceptibility is essential for patient survival.