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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...
Bacterial Meningitis I: Introduction01:22

Bacterial Meningitis I: Introduction

Bacterial meningitis is a severe, life-threatening inflammation of the meninges, particularly the pia mater and arachnoid mater, affecting the subarachnoid space, ventricles, and cerebrospinal fluid (CSF). If untreated, it can lead to significant neurological complications or death.Causative AgentsCommon pathogens vary with age and immune status. In adults, major organisms include Streptococcus pneumoniae, Neisseria meningitidis, and Haemophilus influenzae. Streptococcus agalactiae (group B...
Bacterial Meningitis01:24

Bacterial Meningitis

Bacterial meningitis is a severe infectious disease involving inflammation of the meninges, the protective membranes surrounding the brain and spinal cord. It occurs when pathogenic bacteria cross the blood–brain barrier and enter the cerebrospinal fluid. Common causative organisms include Neisseria meningitidis, Streptococcus pneumoniae, Haemophilus influenzae type b, Listeria monocytogenes, and Escherichia coli K1. The exact route of entry varies by pathogen and host condition.Routes of Entry...
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...
Bacterial Meningitis II: Pathophysiology01:26

Bacterial Meningitis II: Pathophysiology

Bacterial meningitis typically begins when pathogens such as Neisseria meningitidis and Streptococcus pneumoniae colonize the nasopharynx and invade the bloodstream. This process is facilitated by bacterial virulence factors, such as polysaccharide capsules, which resist phagocytosis and complement-mediated killing. Less commonly, bacteria reach the central nervous system via contiguous spread from infections like otitis media or sinusitis, through congenital or acquired dural defects, or...

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Inducing Meningococcal Meningitis Serogroup C in Mice via Intracisternal Delivery
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Inducing Meningococcal Meningitis Serogroup C in Mice via Intracisternal Delivery

Published on: November 5, 2019

Meningococcal serotype Y myopericarditis.

Joel Nkosi1, Amar Thakrar, Kanwal Kumar

  • 1Department of Internal Medicine, University of Manitoba, Winnipeg, Manitoba R2H 2A6, Canada.

Diagnostic Microbiology and Infectious Disease
|November 26, 2008
PubMed
Summary
This summary is machine-generated.

This study reports the first case of isolated meningococcal myopericarditis caused by Neisseria meningitidis serotype Y. This rare complication of meningococcal disease highlights the importance of considering serotype Y in pericarditis cases.

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Visualization of Streptococcus pneumoniae within Cardiac Microlesions and Subsequent Cardiac Remodeling
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Inducing Meningococcal Meningitis Serogroup C in Mice via Intracisternal Delivery
10:03

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Published on: November 5, 2019

Visualization of Streptococcus pneumoniae within Cardiac Microlesions and Subsequent Cardiac Remodeling
08:25

Visualization of Streptococcus pneumoniae within Cardiac Microlesions and Subsequent Cardiac Remodeling

Published on: April 7, 2015

Area of Science:

  • Infectious Diseases
  • Cardiology
  • Microbiology

Background:

  • Meningococcal disease, caused by Neisseria meningitidis, can rarely involve the pericardium.
  • Isolated meningococcal pericarditis is purulent pericarditis without concurrent meningococcemia.
  • Serotypes C, B, and W135 have been previously associated with meningococcal pericarditis.

Observation:

  • This case report details an instance of isolated meningococcal myopericarditis.
  • The causative agent identified was Neisseria meningitidis serotype Y.

Findings:

  • This represents the first documented case of isolated meningococcal myopericarditis attributed to Neisseria meningitidis serotype Y.
  • The findings expand the known serotype spectrum associated with this rare cardiac complication.

Implications:

  • Clinicians should consider Neisseria meningitidis serotype Y in the differential diagnosis of isolated pericarditis or myopericarditis.
  • This case underscores the diverse clinical presentations of meningococcal infections.
  • Further surveillance may reveal a broader prevalence of serotype Y in meningococcal pericarditis.