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Related Concept Videos

Myocarditis I: Introduction01:21

Myocarditis I: Introduction

524
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...
524
Myocarditis II: Clinical Features and Diagnostic Tests01:27

Myocarditis II: Clinical Features and Diagnostic Tests

395
Myocarditis is an inflammation of the heart muscle. The symptoms vary widely, encompassing asymptomatic presentations to severe, acute manifestations.Clinical PresentationAsymptomatic cases: In some instances, myocarditis may be asymptomatic, with the infection resolving without intervention. These cases often go undetected unless discovered incidentally through diagnostic imaging or tests conducted for other reasons.General Early Symptoms: Early symptoms of myocarditis are non-specific and can...
395
Myocarditis III: Medical Management01:14

Myocarditis III: Medical Management

286
Myocarditis: Comprehensive Medical ManagementMyocarditis, the heart muscle inflammation, requires a comprehensive medical management strategy that addresses the underlying cause, provides supportive care, manages symptoms, and reduces cardiac workload.Infections and Autoimmune CausesAdminister appropriate antimicrobial therapy when an infectious agent causes myocarditis. For instance, penicillin treats infections caused by Group A Streptococcus. In cases where autoimmune processes are...
286
Myocarditis IV: Nursing Management01:22

Myocarditis IV: Nursing Management

332
Myocarditis is an inflammatory condition of the myocardium requiring meticulous nursing management for optimal patient outcomes. Effective management begins with a thorough assessment of the patient's medical history, paying close attention to past infections, autoimmune disorders, travel history, and exposure to toxins or drugs. Recent viral infections and systemic diseases are particularly relevant due to their potential role in triggering myocarditis.Physical Examination and MonitoringThe...
332
Cardiomyopathy I: Introduction and Classification01:25

Cardiomyopathy I: Introduction and Classification

741
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...
741
Cardiomyopathy IV: Restrictive Cardiomyopathy01:29

Cardiomyopathy IV: Restrictive Cardiomyopathy

706
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: Mar 10, 2026

An Immunohistopathologic Study to Profile the Folate Receptor Beta Macrophage and Vascular Immune Microenvironment in Giant Cell Arteritis
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Giant Cell Myocarditis: A Brief Review.

Jin Xu1, Erin G Brooks

  • 1From the Department of Pathology and Laboratory Medicine, University of Wisconsin Hospital and Clinics, Madison.

Archives of Pathology & Laboratory Medicine
|December 7, 2016
PubMed
Summary

Giant cell myocarditis (GCM) is a severe heart condition. Early diagnosis and cyclosporine treatment improve survival rates by reducing inflammation.

Area of Science:

  • Cardiology
  • Pathology
  • Immunology

Background:

  • Giant cell myocarditis (GCM) is a rare, aggressive cardiac disease.
  • It primarily affects young to middle-aged, previously healthy individuals.
  • Historically diagnosed post-mortem, advancements allow earlier detection.

Purpose of the Study:

  • To highlight the critical importance of early diagnosis in GCM.
  • To emphasize the role of immunosuppression in managing GCM.
  • To differentiate GCM from other conditions causing cardiac giant cells.

Main Methods:

  • Review of clinicopathologic features of GCM.
  • Analysis of diagnostic advancements (endomyocardial biopsy, explanted hearts).
  • Histologic examination as the gold standard for diagnosis.

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Flow Cytometry-Based Quantification and Analysis of Myocardial B-Cells
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An Immunohistopathologic Study to Profile the Folate Receptor Beta Macrophage and Vascular Immune Microenvironment in Giant Cell Arteritis
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Isolation and Characterization of Cardiac Mesenchymal Stromal Cells from Endomyocardial Bioptic Samples of Arrhythmogenic Cardiomyopathy Patients
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Flow Cytometry-Based Quantification and Analysis of Myocardial B-Cells
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Flow Cytometry-Based Quantification and Analysis of Myocardial B-Cells

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Main Results:

  • Early diagnosis of GCM is crucial for timely intervention.
  • Cyclosporine-based immunosuppression shows promise in reducing inflammation.
  • Improved transplant-free survival is associated with prompt treatment.
  • Distinguishing GCM from other giant cell lesions is vital due to varied prognoses.

Conclusions:

  • Prompt diagnosis and cyclosporine-based immunosuppression can significantly improve outcomes in GCM.
  • Understanding clinicopathologic features is essential for accurate diagnosis and management.
  • Further research into differentiating GCM etiologies is warranted.