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Related Concept Videos

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 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...
Cardiomyopathy I: Introduction and Classification01:25

Cardiomyopathy I: Introduction and Classification

Cardiomyopathy, or CMP, is a group of diseases affecting the myocardial structure, impairing its ability to pump blood effectively. This condition can lead to arrhythmias, heart failure, or sudden cardiac death.Cardiomyopathies are classified into primary and secondary categories:Primary Cardiomyopathy refers to conditions involving only the heart muscle that are often idiopathic (of unknown cause) or genetic. They primarily affect the myocardium without the involvement of other systemic...
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...
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...
Cardiomyopathy IV: Restrictive Cardiomyopathy01:29

Cardiomyopathy IV: Restrictive Cardiomyopathy

Restrictive cardiomyopathy (RCM) is a rare heart muscle disease characterized by impaired ventricular filling due to stiffened ventricular walls, leading to significant diastolic dysfunction.EtiologyRestrictive cardiomyopathy can arise from both inherited and acquired diseases, many of which are systemic. It is categorized into four main types: infiltrative, storage, non-infiltrative, and endomyocardial diseases.Infiltrative diseases, such as amyloidosis, lead to RCM by depositing amyloid...

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Related Experiment Video

Updated: May 31, 2026

Sterile Pericarditis in Aachener Minipigs As a Model for Atrial Myopathy and Atrial Fibrillation
08:56

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

Published on: September 24, 2021

Primary systemic amyloidosis presenting as constrictive pericarditis.

Vikas Singh1, Joel E Fishman, Carlos E Alfonso

  • 1Leonard H. Miller School of Medicine, Cardiovascular Division, University of Miami, Miami, FL 33136, USA. vsingh@med.miami.edu

Cardiology
|July 16, 2011
PubMed
Summary
This summary is machine-generated.

Primary systemic amyloidosis can cause constrictive pericarditis, not just restrictive cardiomyopathy. This case highlights successful diagnosis and treatment of this rare presentation in a young man.

Related Experiment Videos

Last Updated: May 31, 2026

Sterile Pericarditis in Aachener Minipigs As a Model for Atrial Myopathy and Atrial Fibrillation
08:56

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

Published on: September 24, 2021

Area of Science:

  • Cardiology
  • Oncology
  • Pathology

Background:

  • Cardiac amyloidosis commonly presents as restrictive cardiomyopathy due to endomyocardial deposition.
  • Primary systemic amyloidosis is a rare condition that can affect multiple organs, including the heart.

Observation:

  • A young man presented with congestive heart failure and symptoms suggestive of cardiac disease.
  • Initial evaluations did not reveal typical signs of endomyocardial amyloid deposition.
  • Diagnostic workup identified constrictive pericarditis as the cause of heart failure.

Findings:

  • The patient was diagnosed with primary systemic amyloidosis causing constrictive pericarditis, a rare manifestation.
  • Noninvasive and invasive cardiac studies were crucial in differentiating constrictive pericarditis from restrictive cardiomyopathy.
  • The patient underwent successful treatment with pericardectomy.

Implications:

  • This case expands the known clinical spectrum of primary systemic amyloidosis.
  • Highlights the importance of considering constrictive pericarditis in cardiac amyloidosis, even without endomyocardial involvement.
  • Demonstrates the feasibility of antemortem diagnosis and effective treatment for this rare condition.