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Related Concept Videos

Myocarditis I: Introduction01:21

Myocarditis I: Introduction

135
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...
135
Myocarditis II: Clinical Features and Diagnostic Tests01:27

Myocarditis II: Clinical Features and Diagnostic Tests

87
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...
87
Myocarditis III: Medical Management01:14

Myocarditis III: Medical Management

48
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...
48
Myocarditis IV: Nursing Management01:22

Myocarditis IV: Nursing Management

85
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...
85
Endocarditis I: Introduction01:25

Endocarditis I: Introduction

130
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...
130
Pericarditis I: Introduction01:22

Pericarditis I: Introduction

89
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...
89

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Related Experiment Video

Updated: Nov 9, 2025

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

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The innate immune response in myocarditis.

Abdullah Khawaja1, Daniel I Bromage1

  • 1School of Cardiovascular Medicine and Sciences, King's College London British Heart Foundation Centre of Excellence, James Black Centre, 125 Coldharbour Lane, London, SE5 9NU, UK.

The International Journal of Biochemistry & Cell Biology
|April 8, 2021
PubMed
Summary

Acute myocarditis involves heart inflammation and immune cell infiltration. Understanding this immune response is crucial for developing effective immunotherapies to prevent heart failure.

Keywords:
AcuteInflammationLeucocytesMyeloid cellsMyocarditis

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Noninvasive Assessment of Cardiac Abnormalities in Experimental Autoimmune Myocarditis by Magnetic Resonance Microscopy Imaging in the Mouse
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Area of Science:

  • Cardiology
  • Immunology
  • Pathophysiology

Background:

  • Acute myocarditis is a heart inflammation involving cellular injury and immune cell influx.
  • It can lead to scar deposition, ventricular remodeling, and heart failure.
  • Increased cardiac MRI use has improved recognition of myocarditis in chest pain patients without coronary artery disease.

Purpose of the Study:

  • To revise the understanding of myocardial inflammation in acute myocarditis.
  • To review experimental evidence of the immune response in acute myocarditis, focusing on innate immunity.
  • To discuss future directions for immunotherapy research in acute myocarditis.

Main Methods:

  • Review of existing literature on myocardial inflammation, particularly in acute myocarditis.
  • Focus on innate immune responses and leukocyte function.
  • Analysis of experimental evidence and clinical observations.

Main Results:

  • The understanding of myocarditis pathophysiology lags behind myocardial infarction research.
  • Leukocyte plasticity and heterogeneity may explain conflicting therapeutic outcomes.
  • Innate immunity plays a significant role in acute myocarditis.

Conclusions:

  • Further research into the immune response in acute myocarditis is needed.
  • Targeting specific leukocyte subpopulations may be complex due to their heterogeneity.
  • Future immunotherapy strategies should consider the specific inflammatory pathways in myocarditis.