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Related Concept Videos

Psychoneuroimmunology: Cardiovascular Disease01:27

Psychoneuroimmunology: Cardiovascular Disease

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Psychoneuroimmunology (PNI) is a multidisciplinary field that examines how psychological factors, particularly stress, interact with the immune system and impact physical health. Research in PNI has shown that chronic or traumatic stress can disrupt both the hypothalamic-pituitary-adrenal axis and the sympathetic nervous system. These disruptions contribute to serious health conditions, including cardiovascular diseases.
A key area of focus in PNI is the relationship between stress and coronary...
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Myocarditis I: Introduction01:21

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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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Myocarditis III: Medical Management01:14

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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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Viral Recombination00:57

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Cells are sometimes infected by more than one virus at once. When two viruses disassemble to expose their genomes for replication in the same cell, similar regions of their genomes can pair together and exchange sequences in a process called recombination. Alternatively, viruses with segmented genomes can swap segments in a process called reassortment.
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Rheumatic Heart Disease I: Introduction01:23

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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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Pneumonia II: Pathophysiology01:29

Pneumonia II: Pathophysiology

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The pathophysiology of pneumonia involves the following steps:
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Related Experiment Video

Updated: Aug 6, 2025

Using Zebrafish Models of Human Influenza A Virus Infections to Screen Antiviral Drugs and Characterize Host Immune Cell Responses
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Influenza and cardiovascular disease pathophysiology: strings attached.

Kristoffer Grundtvig Skaarup1,2, Daniel Modin1,2, Lene Nielsen3

  • 1Cardiovascular Non-Invasive Imaging Research Laboratory, Department of Cardiology, Copenhagen University Hospital-Herlev and Gentofte, Copenhagen, Denmark.

European Heart Journal Supplements : Journal of the European Society of Cardiology
|March 20, 2023
PubMed
Summary

Influenza infection elevates the risk of cardiovascular events, including death, heart attack, and heart failure. Mechanisms involve direct cardiac effects and systemic responses like inflammation and hypercoagulability.

Keywords:
Acute Myocardial InfarctionCardiovascular DiseaseHeart FailureInfluenza InfectionPathophysiology

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Area of Science:

  • Cardiology
  • Infectious Diseases
  • Pathophysiology

Background:

  • A century of evidence links influenza infection to cardiovascular morbidity.
  • Influenza's impact on cardiovascular health remains a significant concern.

Purpose of the Study:

  • To review cardiovascular complications associated with influenza.
  • To explore potential mechanisms underlying the influenza-cardiovascular link.

Main Methods:

  • This study is a narrative review.
  • It synthesizes existing literature on influenza and cardiovascular outcomes.

Main Results:

  • Common complications include cardiovascular death, myocardial infarction, and heart failure hospitalization.
  • Proposed mechanisms include direct cardiac infection, endothelial dysfunction, hypoxemia, and systemic inflammation.
  • The relative contribution of each mechanism is not yet clear.

Conclusions:

  • Influenza infection significantly increases the risk of acute cardiovascular morbidity and mortality.
  • Pathophysiological mechanisms support this association, with systemic responses potentially playing a key role.