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Related Concept Videos

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...
Pericarditis II: Clinical Features and Diagnostic Tests01:19

Pericarditis II: Clinical Features and Diagnostic Tests

Pericarditis is distinguished by inflammation of the pericardium, the fibrous sac that encases the heart. It can be acute, lasting less than six weeks, or chronic, persisting for over three months. Understanding its clinical manifestations and diagnostic findings is crucial for timely and effective management.Clinical ManifestationsWhile pericarditis can be asymptomatic, it usually presents with characteristic symptoms such as:Chest Pain: The most characteristic symptom of pericarditis is chest...
Pericarditis IV: Nursing Management01:25

Pericarditis IV: Nursing Management

Pericarditis, an inflammation of the pericardium, necessitates diligent nursing management to ensure effective patient care and recovery. The initial step in managing pericarditis is a comprehensive patient medical assessment.The patient reports chest pain aggravated by breathing, coughing, and swallowing, which worsens when lying supine. The pain often improves when sitting up and leaning forward. Additional symptoms may include fever, malaise, and, in severe cases, signs of heart failure.
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...
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...
Pneumonia I: Introduction01:29

Pneumonia I: Introduction

Pneumonia is an infection of the lower respiratory tract that leads to inflammation of the lung parenchyma, often resulting in the accumulation of inflammatory exudate in the alveoli and airways. Unlike the watery, low-protein fluid exudate in pulmonary edema, the exudate in this case is a thick fluid rich in immune cells, proteins, and debris produced during infection and inflammation.This impairs gas exchange and can lead to consolidation of lung tissue. The infection may be caused by a...

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Related Experiment Video

Updated: May 14, 2026

Visualization of Streptococcus pneumoniae within Cardiac Microlesions and Subsequent Cardiac Remodeling
08:25

Visualization of Streptococcus pneumoniae within Cardiac Microlesions and Subsequent Cardiac Remodeling

Published on: April 7, 2015

Primary Streptococcus pneumoniae pericarditis.

Matthew N Peters1, Kathleen S Hesterman, Morgan J Katz

  • 1Department of Internal Medicine, Tulane University Health Sciences Center, New Orleans, Louisiana.

Proceedings (Baylor University. Medical Center)
|February 6, 2013
PubMed
Summary
This summary is machine-generated.

Bacterial pericarditis, often fatal and difficult to diagnose, is rarely caused by Streptococcus pneumoniae in immunocompetent individuals. This case highlights a rare instance of primary S. pneumoniae pericarditis successfully treated with antibiotics and drainage.

Related Experiment Videos

Last Updated: May 14, 2026

Visualization of Streptococcus pneumoniae within Cardiac Microlesions and Subsequent Cardiac Remodeling
08:25

Visualization of Streptococcus pneumoniae within Cardiac Microlesions and Subsequent Cardiac Remodeling

Published on: April 7, 2015

Area of Science:

  • Infectious Diseases
  • Cardiology
  • Bacteriology

Background:

  • Bacterial pericarditis is a rare but serious condition, often fatal and difficult to diagnose antemortem due to its infrequent occurrence and rapid progression.
  • Historically, Streptococcus pneumoniae was the primary cause, but it now predominantly affects immunocompromised individuals with a known infection site.
  • The decline in S. pneumoniae as a cause is linked to widespread vaccination and improved treatments for pneumococcal infections.

Purpose of the Study:

  • To report a rare case of primary Streptococcus pneumoniae pericarditis in an immunocompetent adult.
  • To discuss the diagnostic challenges and clinical presentation of this uncommon infection.
  • To emphasize the importance of considering S. pneumoniae in the differential diagnosis of bacterial pericarditis, even in immunocompetent patients.

Main Methods:

  • Case report of a 45-year-old immunocompetent male presenting with symptoms suggestive of pericarditis.
  • Clinical evaluation including diagnostic imaging and laboratory tests to identify the causative agent.
  • Therapeutic intervention involving pericardial fluid drainage and antibiotic administration.

Main Results:

  • The patient developed cardiac tamponade, a life-threatening complication requiring urgent management.
  • Cultures confirmed Streptococcus pneumoniae as the causative pathogen, establishing a primary pericarditis diagnosis.
  • The patient experienced rapid clinical improvement and symptom resolution after pericardial drainage and targeted antibiotic therapy.

Conclusions:

  • Primary Streptococcus pneumoniae pericarditis can occur in immunocompetent individuals, challenging the current understanding of its epidemiology.
  • Prompt diagnosis, pericardial drainage, and appropriate antibiotic treatment are crucial for favorable outcomes.
  • This case underscores the need for vigilance in diagnosing bacterial pericarditis, irrespective of the patient's immune status.