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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...
Acute Coronary Syndrome I: Introduction01:30

Acute Coronary Syndrome I: Introduction

Acute Coronary Syndrome (ACS) encompasses a spectrum of heart conditions caused by sudden obstruction of coronary arteries, typically resulting from the rupture of an atherosclerotic plaque and subsequent thrombus (blood clot) formation. This obstruction can lead to partial or complete blockage of blood flow, causing varying degrees of myocardial ischemia or infarction.ACS includes the following clinical entities:Unstable Angina (UA)Non-ST-Elevation Myocardial Infarction (NSTEMI)ST-Elevation...
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...
Rheumatic Heart Disease I: Introduction01:23

Rheumatic Heart Disease I: Introduction

Rheumatic heart disease or RHD is a chronic condition that results from rheumatic fever, causing permanent damage to the heart valves.Etiology and Risk FactorsIt primarily arises from rheumatic fever, an inflammatory disease that can develop after untreated or inadequately treated group A streptococcal (GAS) pharyngitis. Streptococcus spreads through direct contact with oral or respiratory secretions. While the bacteria are the causative agents, factors like malnutrition, overcrowding, poor...
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...
Cardiomyopathy III: Hypertrophic Cardiomyopathy01:29

Cardiomyopathy III: Hypertrophic Cardiomyopathy

Hypertrophic cardiomyopathy, or HCM, is an autosomal dominant genetic disorder characterized by asymmetric left ventricular hypertrophy without ventricular dilation. It is more common in men and is typically diagnosed in young, athletic adults.EtiologyHCM is primarily genetic and is caused by mutations in genes encoding sarcomeric proteins. Researchers have identified over 1400 mutations across at least 11 different genes. Among these, the most frequently occurring mutations are found in the...

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Related Experiment Videos

Necrotizing fasciitis causing severe myocardial dysfunction with ST-segment elevation in a young man.

Ayman El-Menyar1, Nissar Shaikh

  • 1Department of Cardiology and Cardiovascular Surgery, Hamad general hospital P.O box 3050, Doha, Qatar. aymanco65@yahoo.com

The American Journal of Emergency Medicine
|February 18, 2010
PubMed
Summary

Necrotizing fasciitis, a severe infection, developed in a patient following an intramuscular injection. This case highlights the rapid progression and critical cardiac complications associated with this infection.

Related Experiment Videos

Area of Science:

  • Infectious Diseases
  • Cardiology
  • Dermatology

Background:

  • Necrotizing fasciitis is a severe soft tissue infection requiring urgent medical attention.
  • Intramuscular injections can lead to localized infections such as abscesses.
  • Gluteal abscesses can potentially progress to more extensive and life-threatening conditions.

Observation:

  • A 30-year-old male presented with a gluteal abscess secondary to intramuscular injection.
  • The abscess rapidly progressed to necrotizing fasciitis.
  • The patient exhibited signs of circulatory collapse, left ventricular dysfunction, and ECG changes.

Findings:

  • Staphylococcal species were identified as the causative agent from wound and blood cultures.
  • The patient's clinical presentation included severe hemodynamic compromise.
  • Echocardiographic and electrocardiographic findings indicated significant cardiac involvement.

Implications:

  • This case underscores the importance of recognizing early signs of infection after injections.
  • Prompt diagnosis and management are crucial for improving outcomes in necrotizing fasciitis.
  • The association with cardiac dysfunction highlights the systemic impact of this infection.