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Myocarditis II: Clinical Features and Diagnostic Tests

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 Management

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 I: Introduction

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 IV: Nursing Management

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...

Pericarditis II: Clinical Features and Diagnostic Tests

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: Introduction

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...

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Related Experiment Video

Updated: Sep 23, 2025

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

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

Published on: June 20, 2014

Symptomatic Myocarditis Post COVID-19 Vaccination.

Palak Patel¹, Dhaval Desai^2,3, Nagapratap Ganta¹

¹Internal Medicine, Hackensack Meridian Health Ocean University Medical Center, Brick, USA.

|May 16, 2022

Summary

Rarely, coronavirus disease 2019 (COVID-19) vaccines cause major adverse events. Myocarditis and pericarditis are increasingly reported in young people after mRNA COVID-19 vaccines, highlighting the need for early diagnosis and treatment.

Keywords:

covid-19 johnson & johnson moderna myocarditis vaccine vaccine adverse event reporting system

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Last Updated: Sep 23, 2025

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

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Published on: June 20, 2014

Isolation and Identification of Extravascular Immune Cells of the Heart

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

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Area of Science:

Cardiology
Vaccinology
Public Health

Background:

The coronavirus disease 2019 (COVID-19) pandemic necessitated rapid vaccine development.
While generally safe, rare adverse events following immunization require ongoing surveillance.

Observation:

An increase in myocarditis and pericarditis cases has been reported to the Vaccine Adverse Event Reporting System (VAERS).
These cases predominantly affect young individuals after receiving messenger RNA (mRNA) COVID-19 vaccines, particularly the second dose.

Findings:

This case series details myopericarditis following mRNA (Moderna) vaccination and myocarditis post vector-based (Johnson & Johnson) COVID-19 vaccination.
The findings underscore a potential association between COVID-19 vaccines and inflammatory cardiac conditions.

Implications:

Early diagnosis and prompt treatment are crucial for managing vaccine-related myocarditis and pericarditis.
Understanding these adverse events aids in optimizing vaccine safety monitoring and patient care strategies.