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Related Concept Videos

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

Myocarditis II: Clinical Features and Diagnostic Tests

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...
Myocarditis III: Medical Management01:14

Myocarditis III: Medical Management

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...
Myocarditis IV: Nursing Management01:22

Myocarditis IV: Nursing Management

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...
Cell-mediated Immune Responses01:40

Cell-mediated Immune Responses

Overview
Immune Response Against Viral Pathogens01:29

Immune Response Against Viral Pathogens

The immune system's response to viral infections is a complex and coordinated process involving natural killer (NK) cells, T cell-mediated responses, and antibody-mediated responses.
NK Cells
NK cells are a crucial part of our innate immune system, acting as the first line of defense against viral infections. These cells can recognize and kill infected cells without prior exposure to the virus, effectively slowing down the spread of infection. Additionally, NK cells produce proinflammatory...

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Related Experiment Video

Updated: May 16, 2026

Flow Cytometry-Based Quantification and Analysis of Myocardial B-Cells
12:46

Flow Cytometry-Based Quantification and Analysis of Myocardial B-Cells

Published on: August 17, 2022

Cellular immune mechanisms in myocarditis.

M Noutsias1, V J Patil, B Maisch

  • 1Department of Cardiology, Faculty of Medicine, University Hospital of Marburg and Giessen/UKGM GmbH, Philipps-Universität Marburg, Baldinger Str. 1, 35043, Marburg, Germany. michel.noutsias@staff.uni-marburg.de

Herz
|November 27, 2012
PubMed
Summary

Immunohistological techniques improve diagnosis of inflammatory cardiomyopathy (DCMi). T cell analysis reveals specific markers, suggesting antiviral responses in DCMi.

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Isolation and Identification of Extravascular Immune Cells of the Heart
08:24

Isolation and Identification of Extravascular Immune Cells of the Heart

Published on: August 23, 2018

Related Experiment Videos

Last Updated: May 16, 2026

Flow Cytometry-Based Quantification and Analysis of Myocardial B-Cells
12:46

Flow Cytometry-Based Quantification and Analysis of Myocardial B-Cells

Published on: August 17, 2022

Isolation and Identification of Extravascular Immune Cells of the Heart
08:24

Isolation and Identification of Extravascular Immune Cells of the Heart

Published on: August 23, 2018

Area of Science:

  • Cardiology
  • Immunology
  • Molecular Biology

Background:

  • Inflammatory cardiomyopathy (DCMi) diagnosis improved with immunohistological techniques over Dallas criteria.
  • Understanding cellular immune mechanisms in DCMi is crucial for prognosis and treatment selection.
  • Digital image analysis standardizes immunohistological staining quantification.

Purpose of the Study:

  • To refine DCMi diagnosis and understand its immune mechanisms.
  • To investigate the role of T cell subsets in DCMi.
  • To explore potential antiviral specificity in virus-induced DCMi.

Main Methods:

  • Endomyocardial biopsies (EMB) analyzed using immunohistological techniques.
  • Digital image analysis for quantifying EMB stainings.
  • Real-time RT-PCR to quantify T cell-related gene expression in EMB.

Main Results:

  • T cells in DCMi show differential expression of Th1, Treg, and CTL markers.
  • Th17 cells do not play a major role in DCMi.
  • Differential T cell receptor Vbeta dominance suggests antiviral specificity in virus-induced DCMi.

Conclusions:

  • Immunohistology enhances DCMi diagnosis and prognostic assessment.
  • T cell subset analysis provides insights into DCMi pathogenesis.
  • Virus-induced DCMi may involve specific antiviral T cell responses.