Related Experiment Video

Updated: Feb 5, 2026

A Pulmonary Trunk Banding Model of Pressure Overload Induced Right Ventricular Hypertrophy and Failure
06:47

A Pulmonary Trunk Banding Model of Pressure Overload Induced Right Ventricular Hypertrophy and Failure

Published on: November 29, 2018

10.1K

Streptococcus pyogenes Pericarditis with Resultant Pulmonary Trunk Compression Secondary to Mycotic Pseudoaneurysm

E Fry1, J Urbanczyk1, J Price1

  • 1Baylor Scott and White Medical Center, Temple, TX, USA.

Case Reports in Cardiology
|September 7, 2018
PubMed

Insights

A rare case of purulent pericarditis caused by Streptococcus pyogenes in an 18-year-old female led to ventricular fibrillation and a large mycotic aneurysm. This highlights the potential for severe cardiovascular complications from group A strep infections.

Area of Science:

  • Cardiology
  • Infectious Diseases
  • Medical Case Reports

Background:

  • Purulent pericarditis is a rare condition, especially in the antibiotic era.
  • Streptococcus pyogenes (group A Streptococcus) is an uncommon cause of purulent pericarditis.
  • Mycotic aneurysms are infrequent complications of group A strep infections.

Observation:

  • An 18-year-old female presented with purulent pericarditis following strep pharyngitis.
  • The patient experienced ventricular fibrillation (VF) secondary to the infection.
  • A large (4.8 cm) mycotic aneurysm of the ascending aorta developed post-stabilization.

Findings:

  • The mycotic aneurysm caused significant compression of the pulmonary trunk and right pulmonary arteries.
  • This case demonstrates a rare but severe progression of Streptococcus pyogenes infection.
  • The combination of purulent pericarditis, bacteremia, and subsequent mycotic aneurysm is exceptionally uncommon.

Implications:

  • This case underscores the importance of considering rare complications of common infections.
  • Early recognition and management of Streptococcus pyogenes infections are crucial to prevent severe cardiovascular sequelae.
  • Further research may be needed to understand the pathogenesis of mycotic aneurysm formation in this context.

More Related Videos

Author Spotlight: Investigating the Underlying Mechanisms of Right Ventricular Failure in Pulmonary Hypertension04:49

Author Spotlight: Investigating the Underlying Mechanisms of Right Ventricular Failure in Pulmonary Hypertension

Published on: June 14, 2024

1.2K
Sterile Pericarditis in Aachener Minipigs As a Model for Atrial Myopathy and Atrial Fibrillation08:56

Sterile Pericarditis in Aachener Minipigs As a Model for Atrial Myopathy and Atrial Fibrillation

Published on: September 24, 2021

3.1K

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...
415
Resultant of a General Distributed Loading01:13

Resultant of a General Distributed Loading

While designing structures exposed to non-uniform loads, it is crucial to consider the resultant force and its location. This resultant force is a single vector representing the net force applied due to the distributed load.
Examples such as load distribution due to wind and load distribution on a bridge illustrate how this concept is used to analyze and design safe, reliable structures under variable loading conditions. Most structures, such as residential buildings, bridges, and towers, are...
1.0K
Resultant Moment: Scalar Formulation01:31

Resultant Moment: Scalar Formulation

When multiple forces act on an object in two-dimensional space, the concept of the net moment can be used to understand the tendency of these forces to induce rotational motion about a fixed point. The scalar formulation of the resultant moment is a helpful tool in analyzing the equilibrium of structures subjected to multiple forces.
To determine the resultant moment, the moments caused by all the forces in a system in the x-y plane are considered. Positive moments are typically...
2.3K
Resultant Moment: Vector Formulation01:30

Resultant Moment: Vector Formulation

When a force is applied to an object, the tendency of the object to rotate about a point is known as its moment. If multiple forces are acting on an object, the sum of moments of all the forces acting on a body can be expressed as the resultant moment of the system. The resultant moment can be considered a vector quantity that can be added and subtracted like any other vector.
The resultant moment of a system of forces can be calculated through vector formulation. For example, if we consider...
3.9K
Secondary Active Transport01:55

Secondary Active Transport

One example of how cells use the energy contained in electrochemical gradients is demonstrated by glucose transport into cells. The ion vital to this process is sodium (Na+), which is typically present in higher concentrations extracellularly than in the cytosol. Such a concentration difference is due, in part, to the action of an enzyme “pump” embedded in the cellular membrane that actively expels Na+ from a cell. Importantly, as this pump contributes to the high concentration of...
138.0K
Secondary Healthcare System01:11

Secondary Healthcare System

Secondary healthcare is offered by a specialist, generally in hospitals or clinics for patients referred by primary healthcare providers. It occurs when a person has an illness or injury that requires specific medical care. Secondary care is often referred to as acute care. Secondary care can range from uncomplicated care to repair a minor laceration or treat a strep throat infection to more complicated emergent care, such as treating a head injury sustained in an automobile accident. Whatever...
2.1K