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Related Concept Videos

Myocarditis II: Clinical Features and Diagnostic Tests01:27

Myocarditis II: Clinical Features and Diagnostic Tests

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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...
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Myocarditis III: Medical Management01:14

Myocarditis III: Medical Management

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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...
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Rheumatic Heart Disease I: Introduction01:23

Rheumatic Heart Disease I: Introduction

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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...
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Myocarditis I: Introduction01:21

Myocarditis I: Introduction

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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...
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Rheumatic Heart Disease II: Clinical Manifestations and Diagnostic Studies01:22

Rheumatic Heart Disease II: Clinical Manifestations and Diagnostic Studies

204
The key clinical manifestations of Rheumatic heart disease (RHD) include several distinct cardiac symptoms.Carditis, a hallmark of acute rheumatic fever, involves inflammation of the heart's endocardium, myocardium, and pericardium. Chronic RHD often results from recurrent episodes of carditis. Its symptoms include the following:Murmurs are caused by valvular damage, especially to the mitral and aortic valves. Mitral stenosis or regurgitation is common, with characteristic heart murmurs...
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Disturbances in Heart Rhythm01:29

Disturbances in Heart Rhythm

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Arrhythmia or dysrhythmia refers to an abnormal heart rhythm caused by a defect in the heart's conduction system. It can cause the heart to beat irregularly, too quickly, or too slowly, leading to symptoms like chest pain, shortness of breath, and fainting. Factors such as stress, caffeine, alcohol, nicotine, cocaine, certain drugs, congenital defects, diseases, and electrolyte abnormalities can trigger arrhythmias.
Arrhythmias are categorized by their speed, rhythm, and origin. A slow heart...
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Related Experiment Video

Updated: Nov 10, 2025

Multiplexed Isothermal Amplification Based Diagnostic Platform to Detect Zika, Chikungunya, and Dengue 1
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Chikungunya and the Heart.

Juan I Cotella1, Ana L Sauce2, Clara I Saldarriaga3

  • 1Division of Cardiology, Centro Privado de Cardiología San Miguel de Tucumán, Tucumán, Argentina.

Cardiology
|March 31, 2021
PubMed
Summary
This summary is machine-generated.

Chikungunya virus infection frequently causes cardiovascular complications, including myocarditis and arrhythmias, impacting patient outcomes. Early diagnosis and management of these cardiac issues are crucial for improving prognosis in affected individuals.

Keywords:
Cardiac diseaseChikungunyaNeglected tropical diseases

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Area of Science:

  • Cardiology
  • Infectious Diseases
  • Public Health

Background:

  • Chikungunya is a widespread neglected tropical disease linked to poverty and poor sanitation.
  • While typically causing fever and joint pain, chikungunya can lead to significant cardiovascular (CV) complications.
  • This review compiles data on CV involvement in chikungunya to aid healthcare providers.

Observation:

  • Cardiovascular involvement is the most common atypical presentation of chikungunya, occurring in over 54% of cases.
  • Myocarditis is the most prevalent CV complication, followed by rhythm disturbances (52%), heart failure (15%), pericarditis (5%), and myocardial infarction (2%).
  • Overall CV mortality is estimated at 10%, potentially rising to 20% in patients with comorbidities.

Findings:

  • Fever, polyarthralgia, and new-onset arrhythmia can suggest chikungunya virus-related myocarditis.
  • Cardiovascular complications, though not always fatal, can manifest severely.
  • Timely diagnosis and appropriate management are essential for improving patient outcomes.

Implications:

  • Understanding chikungunya's cardiac impact is vital for early diagnosis and treatment.
  • Improved awareness can lead to better prevention strategies for chikungunya-related cardiovascular disease.
  • This review supports the NET-Heart Project's goal of addressing infectious diseases affecting the heart.